[{"from": "human", "value": "What can you tell me about this molecule? [C][C][N][C@@H1][Branch1][Branch1][C][N][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid anion that is the conjugate base of piperazine-2-carboxylic acid. It is a conjugate base of a (S)-piperazine-2-carboxylic acid and a (S)-piperazine-2-carboxylic acid zwitterion. It is an enantiomer of a (R)-piperazine-2-carboxylate."}]