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-methyl-4-[2-methyl-1-(4-methylphenyl)sulfonyl-5-[2-(3-methylpyrazol-1-yl)ethoxy]indol-3-yl]butanamide by IUPAC nomenclature, provide its molecular formula.
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C27H32N4O4S
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