You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1S,2R,3aS,4R,5aS,6R,7R,8R,10aS,10bR)-2,8-diacetyloxy-6-butanoyloxy-7-hydroxy-3a,5a,9-trimethyl-1-propan-2-yl-1,2,3,4,5,6,7,8,10a,10b-decahydrocyclohepta[e]inden-4-yl] butanoate by IUPAC nomenclature, provide its molecular formula.
user
C32H50O9
assistant