You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[(3S,5S,6S,8R,9S,10R,13S,14S)-3,6-bis[[tert-butyl(dimethyl)silyl]oxy]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]propan-1-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H64O3Si2
assistant