[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@H1][Branch2][Ring1][=Branch1][/C][=C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\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 18(R)-HEPE arising from deprotonation of the carboxylic acid group; major species at pH 7.3. It has a role as a mouse metabolite and an anti-inflammatory agent. It is a long-chain fatty acid anion and a HEPE(1-). It is a conjugate base of a 18(R)-HEPE. It is an enantiomer of a 18(S)-HEPE(1-)."}]