You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(8R,9S,10R,13S,14S)-17-[(2R,4R,5R)-2-hydroxy-4,5,6-trimethylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H48O2
assistant