You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E,5S)-4-[hydroxy-(4-propoxyphenyl)methylidene]-5-[3-methoxy-4-(3-methylbutoxy)phenyl]-1-(5-methyl-1,2-oxazol-3-yl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H34N2O7
assistant