[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Chiliadenus montanus with data available."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=C][C@@H1][Branch1][#Branch2][C][C][/C][=Branch1][Ring2][=C][/C][O][/C][O]"}]