You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4aS,5R)-1-(4-fluorophenyl)-5-[2-hydroxy-2-[5-(trifluoromethyl)pyridin-2-yl]ethyl]-4a-methyl-6,7-dihydro-4H-cyclopenta[f]indazol-5-ol by IUPAC nomenclature, provide its molecular formula.
user
C25H23F4N3O2
assistant