You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[3-[2-[5-ethyl-4-(methyliminomethyl)pyridin-3-yl]ethynyl]-4-methylphenyl]-3-(trifluoromethyl)benzamide into molecular formula.
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C26H22F3N3O
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