[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of (4Z,7Z,10Z,13Z,16Z)-henicosapentaenoic acid with the hydroxy group of ethanol."}, {"from": "gpt", "value": "[C][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]"}]