You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named cyclohexyl-[4-[2-[5-(dimethylamino)-1,2,4-oxadiazol-3-yl]ethyl]piperidin-1-yl]methanone by IUPAC nomenclature, provide its molecular formula.
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C18H30N4O2
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