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 4-methyl-N-[2-(3-methyl-1,2,4-oxadiazol-5-yl)ethyl]piperidine-1-carboxamide is given. What is its corresponding molecular formula?
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C12H20N4O2
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