[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][S][C@H1][Branch2][Ring1][Ring1][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][N][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a polysaccharide acid oxoanion arising from global deprotonation of the carboxylic and sulfonic acid groups of the repeating units in dermatan 4',6'-disulfate; major species at pH 7.3. It is functionally related to a dermatan sulfate polyanion and a dermatan 6'-sulfate anion."}]