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 5-[4-(4-chloropyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl]-3-propan-2-yl-1,2,4-oxadiazole is given. What is its corresponding molecular formula?
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C15H18ClN7O
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