code: public String convertIntoStandardHELM(String notation) throws HELM1FormatException, ValidationException,
  			MonomerLoadingException, CTKException, ChemistryException {
  		String result = HELM1Utils.getStandard(validate(notation));
  		setMonomerFactoryToDefault(notation);
  		return result;
  	}
docs: method to convert the input HELM into a standard HELM
  
  @param notation
  HELM input
  @return standard HELM
  @throws HELM1FormatException
  if the HELM input contains HELM2 features
  @throws ValidationException
  if the HELM input is not valid
  @throws MonomerLoadingException
  if the MonomerFactory can not be loaded
  @throws CTKException
  general ChemToolKit exception passed to HELMToolKit
  @throws ChemistryException
  if the Chemistry Engine can not be initialized