code: public MonomerCache buildMonomerCacheFromXML(String monomerDBXML)
  			throws MonomerException, IOException, JDOMException, ChemistryException, CTKException {
  		ByteArrayInputStream bais = new ByteArrayInputStream(monomerDBXML.getBytes());
  		return buildMonomerCacheFromXML(bais);
  	}
docs: Build an MonomerCache object with monomerDBXML String
  
  @param monomerDBXML
  monomer db in xml format as string
  @return MonomerCache
  @throws org.helm.notation2.exception.MonomerException
  if monomer is not valid
  @throws java.io.IOException
  if string can not be read
  @throws org.jdom2.JDOMException
  if xml file is not valid
  @throws ChemistryException
  if chemistry could not be initialized
  @throws CTKException
  general ChemToolKit exception passed to HELMToolKit