[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a long-chain fatty acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][Branch2][Ring1][#Branch1][C][C][C][Branch1][P][C][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][O][O]"}]