You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(4-methoxyphenyl)methyl]-7-methyl-N-(2,2,2-trifluoroethyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C17H16F3N5O2
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