You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R,2R,3R,4S,5R,6S,7S,8R,10S,11S,14R)-5-acetyloxy-14-butanoyloxy-6,10-dihydroxy-6,10,14-trimethyl-3-propan-2-yl-11-prop-2-enoyloxy-15-oxatricyclo[6.6.1.02,7]pentadecan-4-yl] butanoate by IUPAC nomenclature, provide its molecular formula.
user
C33H52O11
assistant