You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4Z)-4-[(3-chloro-4-methoxyphenyl)-hydroxymethylidene]-1-(2-methoxyphenyl)-5-(5-methylfuran-2-yl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H20ClNO6
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