[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is major microspecies at pH 7.3 of (R)-3,4-dihydroxymandelate"}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring1][C][=C][Branch1][=C][C][=C][Ring1][=Branch1][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O]"}]