code: @Override
  	public String getValue(Match m, int col)
  	{
  		assert col == 0;
  
  		return getRelatedIDs((SmallMoleculeReference) m.get("SMR", getPattern()));
  	}
docs: Gets the ids of the small molecule reference and its physical entities.
  @param m current match
  @param col current column
  @return ubique IDs