[
  {
    "molid": "mol18099",
    "smiles": "CC(C)CNC(=O)[C@H](C)NC(=O)c1nccc(O)c1O",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "CC(C)CNC(=O)[C@H](C)NC(=O)c1nccc(O)c1O",
        "std_free_energy": -6.593008041381836,
        "relative_population": 0.9999758071894653
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC(C)CNC(=O)[C@H](C)NC(=O)c1nccc(O)c1[O-]",
        "std_free_energy": -2.953848361968994,
        "relative_population": 0.6478370303237546
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CC(C)CNC(=O)[C@H](C)NC(=O)c1nccc([O-])c1O",
        "std_free_energy": -2.3441531658172607,
        "relative_population": 0.35211012161033395
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.0,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]