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 3-chloro-N-methyl-N-[[3-(1-methylsulfonylpiperidin-4-yl)-1,2,4-oxadiazol-5-yl]methyl]benzenesulfonamide is given. What is its corresponding molecular formula?
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C16H21ClN4O5S2
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