You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,3aS,5aR,5bR,7aS,8R,11aR,11bR,13aS,13bR)-3-(2-acetyloxypropan-2-yl)-13b-(hydroxymethyl)-5a,5b,8,11a-tetramethyl-1,2,3,3a,4,5,6,7,7a,9,10,11,11b,12,13,13a-hexadecahydrocyclopenta[a]chrysene-8-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H52O5
assistant