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-[4-[4-(5-chloro-2-methylphenyl)piperazine-1-carbonyl]phenyl]-4-methylbenzenesulfonamide is given. What is its corresponding molecular formula?
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C25H26ClN3O3S
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