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-cyclopropyl-2-[(8-methoxy-5-methyl-[1,2,4]triazolo[4,3-a]quinolin-1-yl)sulfanyl]propanamide .
user
C18H20N4O2S
assistant