[{"from": "human", "value": "Describe this molecule. [C][C][C][=Branch1][C][=O][/C][=C][/C][=C][\\C][C@H1][Branch2][Ring1][Ring1][/C][=C][/C][=C][/C][=C][\\C@H1][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is an icosanoid anion resulting from the removal of a proton from the carboxy group of 18-oxoresolvin E1; major species at pH 7.3. It has a role as a human xenobiotic metabolite. It is an icosanoid anion, a hydroxy fatty acid anion, a long-chain fatty acid anion, a polyunsaturated fatty acid anion and an oxo fatty acid anion. It is a conjugate base of a 18-oxoresolvin E1."}]