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 [2-[(8R,9S,10R,13S,14R,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] 4-(2,2-dimethoxyethylamino)-4-oxobutanoate .
user
C29H43NO8
assistant