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 (2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6S)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(5-methyl-2-propan-2-yl-2H-furan-5-yl)oxy]oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol .
user
C20H34O12
assistant