[
  {
    "molid": "mol18107",
    "smiles": "CC(C(=O)O)c1ccc(N2Cc3ccccc3C2=O)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[C@H](C(=O)O)c1ccc(N2Cc3ccccc3C2=O)cc1",
        "std_free_energy": -4.324331283569336,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[C@H](C(=O)[O-])c1ccc(N2Cc3ccccc3C2=O)cc1",
        "std_free_energy": -9.52859878540039,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.6,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 4.42,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]