You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3R,4S,5R,6R)-6-(hydroxymethyl)-2-[(3R,4S,5R,6R)-2,3,4,5-tetrahydroxy-6-(hydroxymethyl)oxan-2-yl]oxane-2,3,4,5-tetrol .
user
C12H22O12
assistant