You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N'-methyl-2-(oxolan-2-yl)-N-[3-(3-propan-2-yl-1,2,4-oxadiazol-5-yl)propyl]morpholine-4-carboximidamide by IUPAC nomenclature, provide its molecular formula.
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C18H31N5O3
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