[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "The molecule is the meso-isomer of 2,6-diaminopimelate. It is a conjugate base of a meso-2,6-diaminopimelic acid dizwitterion and a meso-2,6-diaminopimelic acid."}]