You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl (2S,3aS,5S,6aS)-2-(2-ethoxy-2-oxoethyl)-5-hydroxy-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-2-carboxylate .
user
C14H22O6
assistant