You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[2-[4-(2,3-dimethylphenyl)piperazin-1-yl]-2-oxoethyl]-4-methyl-N-(4-methylphenyl)benzenesulfonamide into molecular formula.
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C28H33N3O3S
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