You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4Z)-4-[1,3-benzodioxol-5-yl(hydroxy)methylidene]-5-(furan-2-yl)-1-(3-methoxyphenyl)pyrrolidine-2,3-dione by IUPAC nomenclature, provide its molecular formula.
user
C23H17NO7
assistant