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 2-(2-aminoethyl)-N-[1-(3-chlorophenyl)ethyl]-1,3-benzothiazole-7-sulfonamide is given. What is its corresponding molecular formula?
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C17H18ClN3O2S2
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