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 1-(2,4-difluorophenyl)-2-[(3-methylphenyl)methyl]-1,3,4,5-tetrahydropyrrolo[1,2-a][1,4]diazepine using the IUPAC nomenclature.
user
C22H22F2N2
assistant