[{"from": "human", "value": "Provide a description of this molecule. [C][C][O][C][=Branch1][C][=O][C][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][=C]"}, {"from": "gpt", "value": "The molecule is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of (6Z,9Z,12Z,15Z)-hexadecatetraenoic acid with the hydroxy group of ethanol."}]