You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5S)-4-[hydroxy(phenyl)methylidene]-1-[(2R)-2-(4-methoxyphenyl)-2-morpholin-4-ylethyl]-5-(4-methylphenyl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H32N2O5
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