[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a long-chain fatty acid."}, {"from": "gpt", "value": "[C][Branch2][Ring1][O][C][C@H1][Branch2][Ring1][Branch1][/C][=C][\\C][=C][\\C][=C][\\C@H1][Branch1][O][C][/C][=C][\\C][C][C][=Branch1][C][=O][O][O][O][C][C][=Branch1][C][=O][O]"}]