[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of arachidonic acid with the hydroxy group of ethanol. It has a role as a human xenobiotic metabolite and a human blood serum metabolite. It is functionally related to an arachidonic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][C][C]"}]