You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4E,5R)-4-[(4-butoxy-3-methylphenyl)-hydroxymethylidene]-1-[2-(dimethylamino)ethyl]-5-(4-methylphenyl)pyrrolidine-2,3-dione ?
user
C27H34N2O4
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