You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(5aS,6S,8S,10S,11aS)-6-acetyloxy-2-hydroxy-10-(4-hydroxy-3-methoxyphenyl)-3-methoxy-5,5a,6,7,8,9,10,11,11a,12-decahydrocycloocta[b]naphthalen-8-yl] cyclohexanecarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H42O8
assistant