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 4-[(3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-6-(2,2,2-trideuterioethyl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid .
user
C26H44O4
assistant