You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4Z)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-(4-methoxyphenyl)-1-phenylpyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H21NO6
assistant