You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(3,4-dimethylphenyl)-3,5-dimethyl-N-(pyridin-3-ylmethyl)-1H-pyrazole-4-sulfonamide by IUPAC nomenclature, provide its molecular formula.
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C19H22N4O2S
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