[
  {
    "molid": "mol32532",
    "smiles": "COc1cc(OC)c2c(c1Cl)OC1(C(=O)CC(=O)CC1C)C2=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "COc1cc(OC)c2c(c1Cl)O[C@]1(C(=O)CC(=O)C[C@H]1C)C2=O",
        "std_free_energy": -3.3475589752197266,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "COc1cc(OC)c2c(c1Cl)O[C@]1(C(=O)[CH-]C(=O)C[C@H]1C)C2=O",
        "std_free_energy": -8.021696090698242,
        "relative_population": 0.9999753725789919
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.4899998,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]