[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a 2,7-dihydroxy-4'-methoxyisoflavanone in which positions 2 and 3 have R- and S-configuration respectively."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@H1][C@@H1][Branch2][Ring1][Ring1][O][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][=C][C][=Branch1][Ring2][=C][Ring1][Branch2][O][O]"}]