You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-chloro-6-[2,6-difluoro-4-[3-(methylamino)propoxy]phenyl]-3-propyl-N-[(2S)-1,1,1-trifluoropropan-2-yl]-7H-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine ?
user
C21H26ClF5N6O
assistant