You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,5S,6S,8R,9S,10R,13S,14S,17S)-17-(2-hydroxy-4-phenylbutan-2-yl)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,6-diol is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H44O3
assistant