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 3-methyl-6-[2-[[3-[2-(6-methylpyridazin-3-yl)oxyethoxymethyl]phenyl]methoxy]ethoxy]pyridazine ?
user
C22H26N4O4
assistant