You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[2-(2-chloroethyl)-6-methylimidazo[4,5-b]pyridin-3-yl]-N,N-dimethylpropan-1-amine ?
user
C14H21ClN4
assistant