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-(4-acetamidophenyl)-2-[4-[2-(2-aminopyridin-3-yl)-6-methylimidazo[4,5-b]pyridin-3-yl]phenyl]acetamide ?
user
C28H25N7O2
assistant