You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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N-ethyl-2-methyl-N-[[3-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazol-5-yl]methyl]prop-2-en-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
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C16H18F3N3O
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