code: def test_ConstPropOptEvaluator():
      smile = "C"
      mol = Chem.MolFromSmiles(smile)
      res_dict = {
          "inp_smiles": smile,
          "mols_0": [mol],
          "mols_2": [mol],
          "mols_4": [mol],
          "mols_6": [mol],
      }
  
      evaluator = ConstPropOptEvaluator()
      results = evaluator.eval(res_dict)
  
      assert results == {
          0: (100.0, 1.0, 0.0, 0.0, 0.0),
          2: (100.0, 1.0, 0.0, 0.0, 0.0),
          4: (100.0, 1.0, 0.0, 0.0, 0.0),
          6: (100.0, 1.0, 0.0, 0.0, 0.0),
      }
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_ConstPropOptEvaluator() without return types