/**
   * Get the container which the bond is found on resonance from a IMolecule. It is based on looking
   * if the order of the bond changes. Return null is any is found.
   *
   * @param molecule The IMolecule to analyze
   * @param bond The IBond
   * @return The container with the bond
   */
  @TestMethod("testGetContainer_IMolecule_IBond")
  public IAtomContainer getContainer(IMolecule molecule, IBond bond) {
    IAtomContainerSet setOfCont = getContainers(molecule);
    if (setOfCont == null) return null;

    for (IAtomContainer container : setOfCont.atomContainers()) {
      if (container.contains(bond)) return container;
    }

    return null;
  }