You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4Z)-4-[(4-chloro-3-methoxyphenyl)-hydroxymethylidene]-1-(4-chloro-2-methylphenyl)-5-thiophen-2-ylpyrrolidine-2,3-dione into its molecular formula.
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C23H17Cl2NO4S
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