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 1-(4-chlorophenyl)-3-(5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-3-ylmethylamino)pyrrolidin-2-one .
user
C17H20ClN5O
assistant