Provide the molecular formula for the IUPAC named substance N-[4-[(2S,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxyphenyl]-5-(dimethylamino)naphthalene-1-sulfonamide .