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 3,4-dihydro-1H-[1]benzofuro[3,2-c]pyridin-2-yl(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-yl)methanone ?
user
C19H19N3O2
assistant