You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(7R)-2-[(7-fluoro-1H-indazol-5-yl)amino]-7-methyl-8-(4-methylcyclohexyl)-5-pyridin-3-yl-7H-pteridin-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H27FN8O
assistant