[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Betula platyphylla var. japonica with data available."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][C][C][C][=C][C][=Branch1][P][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][C][Branch1][C][C][Branch1][C][C][C][O][C]"}]