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 5-chloro-N-(4-methylpiperidin-3-yl)-1-benzothiophene-2-sulfonamide;hydrochloride is given. What is its corresponding molecular formula?
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C14H18Cl2N2O2S2
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