You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-cyano-N-propyl-N-pyrrolidin-3-yl-3-(trifluoromethyl)benzenesulfonamide;hydrochloride by IUPAC nomenclature, provide its molecular formula.
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C15H19ClF3N3O2S
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