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-(2-chloro-4-fluorophenyl)-2-([1,2,4]triazolo[1,5-a]pyrimidin-2-ylsulfanyl)acetamide .
user
C13H9ClFN5OS
assistant