code: private IAtom getAnotherUnsaturatedNode(IAtom exclusionAtom) throws CDKException {
          IAtom atom;
          int next = random.nextInt(atomContainer.getAtomCount());
  
          for (int f = next; f < atomContainer.getAtomCount(); f++) {
              atom = atomContainer.getAtom(f);
              if (!satCheck.isSaturated(atom, atomContainer) && !exclusionAtom.equals(atom)
                      && !atomContainer.getConnectedAtomsList(exclusionAtom).contains(atom)) {
                  return atom;
              }
          }
          for (int f = 0; f < next; f++) {
              atom = atomContainer.getAtom(f);
              if (!satCheck.isSaturated(atom, atomContainer) && !exclusionAtom.equals(atom)
                      && !atomContainer.getConnectedAtomsList(exclusionAtom).contains(atom)) {
                  return atom;
              }
          }
          return null;
      }
docs: Gets the AnotherUnsaturatedNode attribute of the SingleStructureRandomGenerator object.
  
  @return                The AnotherUnsaturatedNode value