[{"from": "human", "value": "Provide a description of this molecule. [C@H1][Branch2][Ring1][#Branch1][C@@H1][Branch2][Ring1][C][C@@H1][Branch1][=C][O][C][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][=Branch1][C][=O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a linear copolymer macromolecule composed of homopolymeric blocks of 1->4-linked beta-D-mannuronic acid and alpha-L-guluronic acid residues, covalently linked together in different sequences or blocks. It has a role as a hematologic agent. It is a copolymer macromolecule, a heteroglycan and an exopolysaccharide. It is a conjugate acid of an alginate."}]