You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (4Z)-4-[[3-[4-[(2-fluorophenyl)methoxy]phenyl]-1-phenylpyrazol-4-yl]methylidene]-5-[(4-methylphenyl)sulfanylmethyl]-2-phenylpyrazol-3-one by IUPAC nomenclature, provide its molecular formula.
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C40H31FN4O2S
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