code: private String getCTAB(IAtomContainer atomContainer) throws CDKException {
          StringWriter strWriter = new StringWriter();
          MDLV2000Writer mdlWriter = new MDLV2000Writer(strWriter);
          mdlWriter.write(atomContainer);
          try {
              mdlWriter.close();
          } catch (IOException exception) {
              // FIXME
          }
          String ctab = strWriter.toString();
          //strip of the individual header, as we have one super header instead.
          for (int line = 1; line <= 3; line++) {
              ctab = ctab.substring(ctab.indexOf(LSEP) + (LSEP.length()));
          }
          return ctab;
      }
docs: Produces a CTAB block for an atomContainer, without the header lines.
  @param atomContainer
  @return CTAB block
  @throws CDKException