You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[3-(4-fluorophenyl)-1-phenylpyrazol-4-yl]methylidene]-3-phenyl-2-sulfanylideneimidazolidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H17FN4OS
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