You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[(3E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-3-[hydroxy-(3-propoxyphenyl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H28N2O6S
assistant