[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][#C][C@@H1][Branch1][O][C][C][C][C][C][C][=Branch1][C][=O][O-1][NH3+1][NH3+1]"}, {"from": "gpt", "value": "The molecule is a 7,8-diaminononanoate cation. It is a conjugate base of a (7R,8S)-7,8-diaminononanoic acid."}]