You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[4-(difluoromethylsulfonyl)phenyl]-3-(1-methylpiperazin-2-yl)-1,2,4-oxadiazole;hydrochloride into its molecular formula.
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C14H17ClF2N4O3S
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