You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 9-[(4R,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5a,5b,8,8,11a-pentamethyl-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3H-cyclopenta[a]chrysene-3a-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C37H58O8
assistant