You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 4-[2-chloro-4-methylsulfonyl-3-(1,3-thiazol-2-yl)benzoyl]-2-methyl-1H-pyrazol-3-one into its molecular formula.
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C15H12ClN3O4S2
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