You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E)-4-[hydroxy-(3-methoxyphenyl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)-5-(4-methylphenyl)pyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H22N2O5S
assistant