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 N-(5,6-dichloro-2,5-dimethyl-4-oxocyclohex-2-en-1-ylidene)-4-methylbenzenesulfonamide is given. What is its corresponding molecular formula?
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C15H15Cl2NO3S
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