You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R)-1-[3-[6-[(1S,8R)-5-(2,6-difluorophenyl)-11,11-dimethyl-3,4-diazatricyclo[6.2.1.02,7]undeca-2,4,6-trien-1-yl]pyrazin-2-yl]-1H-1,2,4-triazol-5-yl]-2,2,2-trifluoroethanol by IUPAC nomenclature, provide its molecular formula.
user
C25H20F5N7O
assistant