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 1-[5-(dimethylamino)-2-(2-methylpropoxy)pyridin-3-yl]-N-sulfonylcyclopropane-1-carboxamide is given. What is its corresponding molecular formula?
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C15H21N3O4S
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