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 6-chloro-2-[[2-(6-fluoropyridin-2-yl)imidazol-1-yl]methyl]-3-propylimidazo[1,2-b]pyridazine ?
user
C18H16ClFN6
assistant