You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[4-[7-[[4-(5-amino-3-methylcyclohex-3-en-1-yl)pyridin-3-yl]amino]imidazo[1,5-b]pyridazin-2-yl]-3,5-difluorophenyl]ethanol by IUPAC nomenclature, provide its molecular formula.
user
C26H26F2N6O
assistant