[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][=C][\\C][=Branch1][C][=O][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a long-chain fatty acid anion that is the conjugate base of 5-oxo-ETE, obtained by deprotonation of the carboxy group. It is a long-chain fatty acid anion, an oxo fatty acid anion, a polyunsaturated fatty acid anion and an oxo-ETE anion. It is a conjugate base of a 5-oxo-ETE."}]