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 N-[2-[6-chloro-2-(2-chloroethyl)imidazo[4,5-b]pyridin-3-yl]ethyl]-N-ethylcyclopropanamine ?
user
C15H20Cl2N4
assistant