[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch1][P][C@@H1][Branch2][Branch1][N][C@H1][Branch2][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][Ring2][O][C@H1][Branch2][Ring2][=Branch1][C@@H1][Branch1][#Branch2][O][C@@H1][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O][C@@H1][C@H1][Branch1][#C][C@@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][O][N][C][=Branch1][C][=O][C][O][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a carbohydrate acid derivative anion obtained by deprotonation of the carboxy groups of N-acetyl-beta-D-glucosaminyl-(1->4)-[hyaluronic acid]; major species at pH 7.3. It is a carbohydrate acid derivative anion and a polyanionic polymer. It is functionally related to a hyaluronate."}]