You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-(3-bromophenyl)-3-[2-[3-[(4-methylphenyl)methyl]imidazo[4,5-b]pyridin-2-yl]ethyl]urea .
user
C23H22BrN5O
assistant