You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
propyl 3-[(3E)-3-[(2-chloro-5-ethoxyphenyl)-hydroxymethylidene]-2-(3-methylphenyl)-4,5-dioxopyrrolidin-1-yl]benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H28ClNO6
assistant