You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (3R,4S,5S,6R)-2-[3-[(2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-7-hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)chromenylium-5-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol using the IUPAC nomenclature.
user
C28H33O16+
assistant