You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4E)-1-[3-(diethylamino)propyl]-4-[hydroxy-(2-hydroxy-4,5-dimethylphenyl)methylidene]-5-pyridin-3-ylpyrrolidine-2,3-dione .
user
C25H31N3O4
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