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 [(2R,4S,5S)-6-ethyl-4,5-dimethyl-2-propan-2-yloxan-3-yl] acetate;(3S,4R,6R)-2-(hydroxymethyl)-6-propan-2-yloxane-3,4,5-triol .
user
C23H44O8
assistant