You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (6R)-4-hydroxy-6-[(3S,9S,10R,13R,14R,17R)-3-hydroxy-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]heptan-2-one .
user
C26H40O3
assistant