[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a polyunsaturated fatty acid that is icosanoic acid having unsaturation at positions 2, 5, 8, 11, 14 and 17. It has been found in Daphnia galeata. It has a role as a Daphnia galeata metabolite. It is a polyunsaturated fatty acid, a long-chain fatty acid and a straight-chain fatty acid."}]