You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [3-(dimethylamino)phenyl]-[4-[6-[(4-methylpyridin-2-yl)amino]pyridazin-3-yl]piperazin-1-yl]methanone .
user
C23H27N7O
assistant