[
  {
    "molid": "mol32079",
    "smiles": "NC(Cn1ccc(=O)[nH]c1=O)C(=O)O",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "N[C@@H](Cn1ccc(=O)[nH]c1=O)C(=O)[O-]",
        "std_free_energy": -8.141419410705566,
        "relative_population": 0.9998319942679553
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "N[C@@H](Cn1ccc(=O)[n-]c1=O)C(=O)[O-]",
        "std_free_energy": 1.7931549549102783,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.3,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      }
    ]
  }
]