You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-[1-(2,4,5-trifluorobenzoyl)cyclopropyl]-1-[3-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]ethanone using the IUPAC nomenclature.
user
C18H14F6N4O2
assistant