[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C@@H1][Branch1][C][C][O][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][O][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is the carbohydrate acid derivative anion formed by loss of a proton from the carboxy group of N-acetyl-alpha-D-muramoyl-L-alanine; principal microspecies at pH 7.3. It is a conjugate base of a N-acetyl-alpha-D-muramoyl-L-alanine."}]