You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 1-[4-[(5-propan-2-yl-1,3,4-oxadiazol-2-yl)methyl]piperazin-1-yl]propan-1-one into its molecular formula.
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C13H22N4O2
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