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 N-[4-(2-chlorophenyl)-1-(6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)-1-oxobutan-2-yl]-1H-indole-4-sulfinamide .
user
C23H23ClN6O2S
assistant