You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E,5S)-4-[(3-chloro-4-ethoxyphenyl)-hydroxymethylidene]-5-(2,3-dimethoxyphenyl)-1-[2-(dimethylamino)ethyl]pyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H29ClN2O6
assistant