You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4,5-dimethyl-6-[3-(2-pyridin-3-ylmorpholin-4-yl)-7,8-dihydro-5H-1,6-naphthyridin-6-yl]pyridazine-3-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C24H25N7O
assistant