You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,8R,9S,10R,13R,14S,17S)-3,13-dimethyl-17-[(4S)-5,5,5-trifluoro-4-hydroxy-4-methylpentyl]-2,4,7,8,9,10,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H39F3O2
assistant