You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E)-4-[(3-chloro-2-methoxy-5-methylphenyl)-hydroxymethylidene]-1-(furan-2-ylmethyl)-5-(3-phenylmethoxyphenyl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
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C31H26ClNO6
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