[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Biancaea sappan with data available."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring1][P][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C@@][Branch1][S][C][O][C][=C][Ring1][=Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][Branch1][Ring1][C][O][O][O]"}]