You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-(3-chloro-4-methoxyphenyl)sulfonyl-4-(3-methyl-1,2,4-triazol-4-yl)piperidine by IUPAC nomenclature, provide its molecular formula.
user
C15H19ClN4O3S
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