You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 1-[3-(dimethylamino)propyl]-4-[(2,5-dimethylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-pentoxyphenyl)pyrrolidine-2,3-dione ?
user
C30H40N2O5
assistant