[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C@@H1][Branch2][Ring1][#Branch1][C@@H1][Branch2][Ring1][C][C@H1][Branch1][#Branch2][O][C@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is a polyanionic polymer obtained by global deprotonation of all the carboxy groups of (1->4)-beta-D-mannuronic acid; major species at pH 7.3. It is a carbohydrate acid anion and a polysaccharide acid oxoanion. It is a conjugate base of a poly[(1->4)-beta-D-mannuronic acid]."}]