You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(furan-2-ylmethyl)-4-[hydroxy-(4-prop-2-enoxyphenyl)methylidene]-5-phenylpyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H21NO5
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