You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-(3-chloro-4-methyl-N-methylsulfonylanilino)-N-[(Z)-thiophen-2-ylmethylideneamino]acetamide by IUPAC nomenclature, provide its molecular formula.
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C15H16ClN3O3S2
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