You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 3-chloro-4-fluoro-N-[2-[(7-oxo-1-propan-2-yl-[1,2,4]triazolo[1,5-a]pyrimidin-5-yl)methylsulfanyl]phenyl]benzamide ?
user
C22H19ClFN5O2S
assistant