You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-chloro-1-[1-(3-methylpyrazin-2-yl)piperidin-4-yl]-5-[3-(trifluoromethyl)oxetan-3-yl]-4,6-dihydro-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H25ClF3N7O
assistant