You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-(4-chlorophenyl)-N-(2-cyclobutyl-[1,2,4]triazolo[1,5-a]pyridin-8-yl)methanesulfonamide into molecular formula.
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C17H17ClN4O2S
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