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)-5-(4-butoxyphenyl)-1-[2-(diethylamino)ethyl]-4-[hydroxy-(3-propoxyphenyl)methylidene]pyrrolidine-2,3-dione .
user
C30H40N2O5
assistant