You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (E)-N-[(5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)methyl]-3-(3-fluorophenyl)prop-2-enamide into molecular formula.
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C17H16FN5O
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