[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][/C][=C][\\C][=C][\\O][/C][=C][/C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an oxo fatty acid anion and the conjugate base of colneleic acid, arising from deprotonation of the carboxylic acid group. It is an oxa fatty acid anion, a long-chain fatty acid anion, a straight-chain fatty acid anion and a polyunsaturated fatty acid anion. It is a conjugate base of a colneleic acid."}]