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 identified by 8-bromo-6-cyclopropyl-2-[(2,6-dimethylpyridin-4-yl)oxymethyl]imidazo[1,2-a]pyridine ?
user
C18H18BrN3O
assistant