You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(4R)-1-(5-fluoropyrimidin-2-yl)-4-methyl-3,4,6,7-tetrahydro-2H-triazolo[4,5-c]pyridin-5-yl]-[2-fluoro-3-(trifluoromethyl)phenyl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C18H15F5N6O
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