You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [1-[[methyl(propan-2-yl)amino]methyl]-5,6,7,9-tetrahydroimidazo[1,5-a][1,4]diazepin-8-yl]-[4-(trifluoromethyl)phenyl]methanone .
user
C20H25F3N4O
assistant