You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule ethyl (1R,2S)-2-ethenyl-5-[2-hydroxy-1-(oxan-2-yloxy)propan-2-yl]-2-methyl-4-oxocyclohexane-1-carboxylate ?
user
C20H32O6
assistant