[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][C][C][C][C][C][C][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][/C][=C][\\C][C][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of 9-[(10Z)-heptadecenoyloxy]-octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3."}]