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-cyclopentyl-2-[methyl-(1,3,3-trimethyl-2-oxoindol-5-yl)sulfonylamino]acetamide is given. What is its corresponding molecular formula?
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C19H27N3O4S
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