You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R)-6-[2-[(1S,2S,6R,8S,8aR)-2,6-dimethyl-8-(2-methylprop-2-enoxy)-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]ethyl]-4-hydroxyoxan-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H34O4
assistant