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,5R)-4-[hydroxy-[3-methyl-4-(2-methylpropoxy)phenyl]methylidene]-5-(4-nitrophenyl)-1-(pyridin-3-ylmethyl)pyrrolidine-2,3-dione .
user
C28H27N3O6
assistant