[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Betula pendula with data available."}, {"from": "gpt", "value": "[C][/C][=C][\\C@@H1][Branch2][Ring1][Ring2][C][/C][=Branch1][#C][=C][/C][C][Branch1][=Branch1][/C][=C][/C][/-Ring1][O][Branch1][C][C][C][/C][O]"}]