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 (4E)-4-[(2-chloro-5-methoxyphenyl)-hydroxymethylidene]-1-(2-methoxyethyl)-5-(5-methylfuran-2-yl)pyrrolidine-2,3-dione .
user
C20H20ClNO6
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