[
  {
    "molid": "mol33924",
    "smiles": "CSCC[C@H](NC(=O)[C@H](CCSC)NC(=O)[C@@H](N)CCSC)C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CSCC[C@H](NC(=O)[C@H](CCSC)NC(=O)[C@@H]([NH3+])CCSC)C(=O)[O-]",
        "std_free_energy": -10.521370887756348,
        "relative_population": 0.9997942710356845
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CSCC[C@H](NC(=O)[C@H](CCSC)NC(=O)[C@@H]([NH3+])CCSC)C(=O)O",
        "std_free_energy": -2.012073040008545,
        "relative_population": 0.9927099420083358
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.15000009536743,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]