[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a long-chain fatty acid."}, {"from": "gpt", "value": "[C][C][C][Branch2][Ring2][Branch1][/C][=C][/C][Branch2][Ring1][=C][C][C][C][Branch2][Ring1][#Branch1][C][Branch1][Ring2][O][Ring1][Branch1][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][=Branch1][C][=O][O][O][O][O]"}]