You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] 1-acetyl-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-3a-carboxylate ?
user
C35H56O9
assistant