[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][C@@H1][Branch2][Ring2][C][C][C@H1][Branch2][Ring1][N][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is a hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#28, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an oscr#28."}]