You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1S,4aS,6R,7S,8S,8aS)-1,6,8-trihydroxy-4,4,7,8a-tetramethyl-8-[(3S)-3-methylpent-4-enoyl]-2,3,4a,5,6,7-hexahydronaphthalen-1-yl] N-(2-hydroxyethyl)carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H39NO7
assistant