You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-amino-5-[(5-amino-2-methylidenepentyl)-[[3-[(4-methylpiperazin-1-yl)methyl]phenyl]methyl]amino]pyridazin-3-yl]phenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H39N7O
assistant