You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
cyclohexane;9,10-dihydroxy-8-methoxy-2,3,5,6,6a,7,8,9,10,10a-decahydro-1H-benzo[e]azulen-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C21H34O4
assistant