element.setAttribute( "ref", getSmallMoleculeId( smallMolecule ) );
element.setAttribute( "ref", getSmallMoleculeId( smallMolecule ) );
element.setAttribute( "ref", getSmallMoleculeId( smallMolecule ) );
element.setAttribute( "id", getSmallMoleculeId( smallMolecule ) );
element.setAttribute( "id", getSmallMoleculeId( smallMolecule ) );
element.setAttribute( "id", getSmallMoleculeId( smallMolecule ) );