code: @Override
      public double getTanimotoSimilarity() throws IOException {
          double tanimoto = getTanimotoAtomSimilarity() + getTanimotoBondSimilarity();
          if (tanimoto > 0 && getReactantMolecule().getBondCount() > 0 && getProductMolecule().getBondCount() > 0) {
              tanimoto /= 2;
          }
          return tanimoto;
      }
docs: {@inheritDoc}