[{"from": "human", "value": "Provide a brief overview of this molecule. [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][O-1]"}, {"from": "gpt", "value": "The molecule is conjugate base of N-acetyl-LL-2,6-diaminopimelic acid. It is a conjugate base of a N-acetyl-LL-2,6-diaminopimelic acid."}]