You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named methyl 5-acetyl-2-[[5-chloro-2-[(2-methylphenyl)methylsulfonyl]pyrimidine-4-carbonyl]amino]-4-methylthiophene-3-carboxylate is given. What is its corresponding molecular formula?
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C22H20ClN3O6S2
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