You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [2-[(7E)-3-(4-fluorophenyl)-7-[(4-fluorophenyl)methylidene]-3a,4,5,6-tetrahydro-3H-indazol-2-yl]-2-oxoethyl] thiophene-2-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C27H22F2N2O3S
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