You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[(4-methoxyphenyl)methyl]-6-[[(1S,2S)-2-(5-methoxypyridin-2-yl)cyclopropyl]methoxy]-4-[methyl-(5-methyl-1,3,4-thiadiazol-2-yl)amino]pyridazin-3-one by IUPAC nomenclature, provide its molecular formula.
user
C26H28N6O4S
assistant