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