[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][Branch2][Branch1][Ring1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring2][Branch1][C][C][C][=Branch1][C][=O][N][C@H1][Branch1][=N][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][=Branch1][C][=O][N][C@H1][Branch1][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is a peptide anion that is the conjugate base of L-Ala-gamma-D-Glu-meso-Dap-D-Ala, arising from deprotonation of the the three carboxy groups and protonation of both amino groups; major species at pH 7.3. It is a conjugate base of a L-Ala-gamma-D-Glu-meso-Dap-D-Ala."}]