[{"from": "human", "value": "Please give me some details about this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C@@H1][Branch2][Ring1][=Branch1][C][C][C][=N][C][=C][Branch1][Ring2][N][Ring1][Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an amino acid zwitterion that is the conjugate base of cationic diphthine, formed via deprotonation of both carboxy groups and protonation of the primary amino group; major species at pH 7.3. It is a conjugate base of a diphthine."}]