(* Created with the Wolfram Language : www.wolfram.com *)
-12*Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][1, 2]*
  Superscript[Z, inv][2, 2] - 4*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
  Superscript[Z, inv][1, 4]*Superscript[Z, inv][2, 2] - 
 4*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 5]*
  Superscript[Z, inv][2, 2] - 4*Superscript[C, Row[{"(", 1, ")"}]][3, 11]*
  (Superscript[Z, inv][1, 3]*Superscript[Z, inv][2, 2] + 
   2*Superscript[Z, inv][1, 2]*Superscript[Z, inv][2, 3]) - 
 8*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 2]*
  Superscript[Z, inv][2, 4] - 8*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
  Superscript[Z, inv][1, 2]*Superscript[Z, inv][2, 5] + 
 (Superscript[C, Row[{"(", 0, ")"}]][2, 11]*
   (Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 2] + 
    Superscript[C, Row[{"(", 1, ")"}]][3, 11]*Superscript[Z, inv][2, 3] + 
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][2, 4] + 
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 5]))/
  (2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]^2) + 
 Superscript[Z, inv][2, 3]*Superscript[Subscript[\[CapitalOmega], 1], 
    Row[{"(", 1, ")"}]][7, 5] + Superscript[Z, inv][1, 3]*
  Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 1, ")"}]][7, 6] + 
 Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
    Row[{"(", 1, ")"}]][8, 5] + Superscript[Z, inv][1, 4]*
  Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 1, ")"}]][8, 6] + 
 Superscript[Z, inv][2, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
    Row[{"(", 1, ")"}]][9, 5] + Superscript[Z, inv][1, 5]*
  Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 1, ")"}]][9, 6] + 
 (2*Inactive[D][Subscript[Superscript[Z, inv], 2, 4], m12]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11] + 
   2*Inactive[D][Subscript[Superscript[Z, inv], 2, 5], m12]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11] + 
   8*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 4]*
    Superscript[Z, inv][2, 3] + 8*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 5]*
    Superscript[Z, inv][2, 3] + 8*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 3]*
    Superscript[Z, inv][2, 4] + 16*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 4]*
    Superscript[Z, inv][2, 4] + 8*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 5]*
    Superscript[Z, inv][2, 4] + 8*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 5]*
    Superscript[Z, inv][2, 4] + 8*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 3]*
    Superscript[Z, inv][2, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 4]*
    Superscript[Z, inv][2, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 4]*
    Superscript[Z, inv][2, 5] + 16*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 5]*
    Superscript[Z, inv][2, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 2]*
    Superscript[Z, inv][3, 4] + 8*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 2]*
    Superscript[Z, inv][3, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 2]*
    Superscript[Z, inv][4, 4] + 8*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][1, 2]*
    Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 2]*
    Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][1, 2]*
    Superscript[Z, inv][5, 5] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
    Superscript[Z, inv][3, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][7, 6] + 2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
    Superscript[Z, inv][3, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][7, 6] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
    Superscript[Z, inv][2, 3]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][7, 8] + 2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
    Superscript[Z, inv][2, 3]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][7, 9] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
    Superscript[Z, inv][4, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][8, 6] + 2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
    Superscript[Z, inv][4, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][8, 6] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
    Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][8, 8] + 2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
    Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][8, 9] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
    Superscript[Z, inv][4, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][9, 6] + 2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
    Superscript[Z, inv][5, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][9, 6] + 2*Superscript[C, Row[{"(", 1, ")"}]][2, 11]*
    (Inactive[D][Subscript[Superscript[Z, inv], 2, 2], m12] - 
     2*Superscript[Z, inv][1, 2] + 4*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
      Superscript[Z, inv][1, 5]*Superscript[Z, inv][2, 2] + 
     4*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
      (Superscript[Z, inv][1, 3]*Superscript[Z, inv][2, 2] + 
       2*Superscript[Z, inv][1, 2]*Superscript[Z, inv][2, 3]) + 
     4*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
      (Superscript[Z, inv][1, 4]*Superscript[Z, inv][2, 2] + 
       2*Superscript[Z, inv][1, 2]*Superscript[Z, inv][2, 4]) + 
     8*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*Superscript[Z, inv][1, 2]*
      Superscript[Z, inv][2, 5] + 2*Superscript[Z, inv][2, 3]*
      Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 0, ")"}]][7, 6] + 
     2*Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
        Row[{"(", 0, ")"}]][8, 6] + 2*Superscript[Z, inv][2, 5]*
      Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 0, ")"}]][9, 6]) + 
   2*Superscript[C, Row[{"(", 1, ")"}]][3, 11]*
    (Inactive[D][Subscript[Superscript[Z, inv], 2, 3], m12] + 
     4*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*Superscript[Z, inv][1, 5]*
      Superscript[Z, inv][2, 3] + 4*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*
      Superscript[Z, inv][1, 3]*Superscript[Z, inv][2, 5] + 
     4*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
      (2*Superscript[Z, inv][1, 3]*Superscript[Z, inv][2, 3] + 
       Superscript[Z, inv][1, 2]*Superscript[Z, inv][3, 3]) + 
     4*Superscript[C, Row[{"(", 0, ")"}]][4, 2]*
      (Superscript[Z, inv][1, 4]*Superscript[Z, inv][2, 3] + 
       Superscript[Z, inv][1, 3]*Superscript[Z, inv][2, 4] + 
       Superscript[Z, inv][1, 2]*Superscript[Z, inv][3, 4]) + 
     4*Superscript[C, Row[{"(", 0, ")"}]][5, 2]*Superscript[Z, inv][1, 2]*
      Superscript[Z, inv][3, 5] + Superscript[Z, inv][3, 3]*
      Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 0, ")"}]][7, 6] + 
     Superscript[Z, inv][2, 3]*Superscript[Subscript[\[CapitalOmega], 1], 
        Row[{"(", 0, ")"}]][7, 7] + Superscript[Z, inv][3, 4]*
      Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 0, ")"}]][8, 6] + 
     Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 1], 
        Row[{"(", 0, ")"}]][8, 7] + Superscript[Z, inv][3, 5]*
      Superscript[Subscript[\[CapitalOmega], 1], Row[{"(", 0, ")"}]][9, 6] + 
     Superscript[Z, inv][2, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
        Row[{"(", 0, ")"}]][9, 7]) + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 
     11]*Superscript[Z, inv][2, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][9, 8] + 2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*
    Superscript[Z, inv][2, 5]*Superscript[Subscript[\[CapitalOmega], 1], 
      Row[{"(", 0, ")"}]][9, 9] + Superscript[Subscript[\[CapitalOmega], 1], 
     Row[{"(", 1, ")"}]][15, 6])/(4*Superscript[C, Row[{"(", 0, ")"}]][1, 11])
