code: public String generateHELMFromFastaPeptide(String notation)
  			throws FastaFormatException, MonomerLoadingException, ChemistryException {
  		String result = FastaFormat.generatePeptidePolymersFromFASTAFormatHELM1(notation).toHELM2();
  		setMonomerFactoryToDefault(notation);
  		return result;
  	}
docs: method to generate HELM from a FASTA containing peptide sequence(s)
  
  @param notation
  FASTA containing peptide sequence(s)
  @return HELM
  @throws FastaFormatException
  if the FASTA input is not valid
  @throws MonomerLoadingException
  if the MonomerFactory can not be loaded
  @throws ChemistryException
  if chemistry engine can not be initialized