[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=N][C][C@@H1][Branch1][N][C@H1][Branch1][Ring2][N][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 5-hydroxyectoine. It is a conjugate base of a 5-hydroxyectoine."}]