[
  {
    "molid": "mol24258",
    "smiles": "COC1=CC(=O)CC=C1CN",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "COC1=CC(=O)CC=C1CN",
        "std_free_energy": -2.504504680633545,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "COc1cc(=O)[cH-]cc1CN",
        "std_free_energy": 3.8401293754577637,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.005,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]