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