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,4S,5R,6R)-6-[(1S,2R)-3-acetyloxy-2-[(2S,4S,5R,6R)-6-[(1R,2R)-3-acetyloxy-1,2-dihydroxypropyl]-5-amino-2-carboxy-4-hydroxyoxan-2-yl]oxy-1-hydroxypropyl]-5-amino-2-[(2R,3R,4R,5R,6S)-6-[(2R,3S,4R,5R,6R)-6-[(E)-2-(hexacosanoylamino)-3-hydroxydocos-4-enoxy]-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-4-hydroxyoxane-2-carboxylic acid .
user
C82H149N3O29
assistant