You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-(diethylamino)ethyl]-4-(4-methoxy-2-methylbenzoyl)-5-pyridin-4-ylpyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H29N3O4
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