You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-[[3-[5-(2-methoxyethoxy)pyrimidin-2-yl]phenyl]methyl]-6-(1-methylpyrazol-4-yl)pyridazin-3-one ?
user
C22H22N6O3
assistant