[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a long-chain fatty acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C@H1][Branch2][Ring1][C][C][/C][=C][/C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O]"}]