You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-2,3,5-trihydroxyoxan-4-yl]oxyoxane-3,4,5-triol into molecular formula.
user
C11H20O10
assistant