[{"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][=Branch2][C][C][C][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is an icosanoid anion that is the conjugate base of 5-HEPE arising from deprotonation of the carboxylic acid function; major species at pH 7.3. It is an icosanoid anion, a long-chain fatty acid anion, a polyunsaturated fatty acid anion, a hydroxy fatty acid anion and a HEPE(1-). It is a conjugate base of a 5-HEPE."}]