[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a 3,4-dihydroxymandelaldehyde that has R-configuration."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#C][=C][Branch1][O][C][=C][Ring1][=Branch1][C@H1][Branch1][Ring1][C][=O][O][O][O]"}]