[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][C][C][=Branch1][C][=O][/C][=C][/C][=C][/C][C][C][C][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an oxooctadecadienoic acid that consists of 9E,11E-octadecadienoic acid with the oxo substituent located at position 13. It has a role as a metabolite. It is an oxo fatty acid and a 13-oxo-9,11-octadecadienoic acid."}]