[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Actinopolyspora erythraea with data available."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][/C][=Branch2][Ring1][Branch1][=C][/C][Branch1][C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][Branch1][Ring1][C][C][O][/C]"}]