You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4Z)-4-[(3,4-dichlorophenyl)-hydroxymethylidene]-1-(4-phenylmethoxyphenyl)-5-pyridin-2-ylpyrrolidine-2,3-dione ?
user
C29H20Cl2N2O4
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