You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (4E)-4-[hydroxy-(4-methoxy-2-methyl-5-propan-2-ylphenyl)methylidene]-5-(4-propan-2-ylphenyl)-1-(pyridin-2-ylmethyl)pyrrolidine-2,3-dione into molecular formula.
user
C31H34N2O4
assistant