[{"from": "human", "value": "Please give me some details about this molecule. [C][C][/C][=C][/C][=C][/C][=C][\\C][=C][/C][C][C][C][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a polyunsaturated fatty acid that is (9Z,11Z,13E,15E)-octadecatetraenoic acid carrying an oxo substituent at position 4. It has a role as a marine metabolite. It is an oxo fatty acid, a polyunsaturated fatty acid and a long-chain fatty acid."}]