You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R)-1-[3-(dimethylamino)propyl]-4-[hydroxy-(3-methyl-4-prop-2-enoxyphenyl)methylidene]-5-(4-methylphenyl)pyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H32N2O4
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