You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4Z)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-1-(4-phenylmethoxyphenyl)-5-pyridin-2-ylpyrrolidine-2,3-dione .
user
C31H24N2O6
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