You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[4-[(3-methyl-1,3-thiazolidin-2-ylidene)amino]phenyl]butane-1-sulfonamide;hydrochloride by IUPAC nomenclature, provide its molecular formula.
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C14H22ClN3O2S2
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