You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[[8-chloro-6-(2-chlorophenyl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-1-yl]methyl]ethanesulfonamide .
user
C19H17Cl2N5O2S
assistant