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 2-[(1S,2S)-2-benzylcyclopropyl]-N-(7-methyl-[1,2,4]triazolo[4,3-a]pyridin-8-yl)acetamide .
user
C19H20N4O
assistant