[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Cassinia laevis and Cassinia uncata with data available."}, {"from": "gpt", "value": "[C][C@][C][C][C][=C][Branch2][Ring1][=Branch1][C@@H1][Ring1][=Branch1][C][C@@H1][Branch1][Branch1][C][C][Ring1][#Branch2][C][=Branch1][C][=C][C][=Branch1][C][=O][O][C][C][O]"}]