You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(4-chlorophenyl)sulfonyl-N-[5,6-dimethoxy-3-(2-methylsulfanylethyl)-1,3-benzothiazol-2-ylidene]pyrrolidine-2-carboxamide into its molecular formula.
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C23H26ClN3O5S3
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