You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4Z)-4-[hydroxy-(3-methyl-4-propoxyphenyl)methylidene]-5-phenyl-1-(4-propan-2-ylphenyl)pyrrolidine-2,3-dione .
user
C30H31NO4
assistant