[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][Ring2][C][C][NH3+1][C][C][NH2+1][C][C][=Branch1][C][=O][C@@H1][Branch1][Ring1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a D-erythrulose and a cadaverine(2+)."}]