[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an N-(long-chain-acyl)ethanolamine that is the ethanolamide of eicosanoic acid. It is a N-(long-chain-acyl)ethanolamine and a N-(saturated fatty acyl)ethanolamine. It is functionally related to an icosanoic 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][N][C][C][O]"}]