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