You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-(3-chlorophenyl)-2-[(4-propyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide using the IUPAC nomenclature.
user
C18H18ClN5OS
assistant