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 (4S,9R,10S,13R,14R,17R)-4,10,13-trimethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,4,5,6,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol .
user
C28H46O
assistant