Display differences
http://sea15.docking.org/illustrate?smiles=Cc2oc(c1ccccc1)nc2CCOc5ccc(CC(Oc3ccccc3)C4=CN%5BNH%5DN4)cc5&query=Cc2oc(c1ccccc1)nc2CCOc5ccc(CC(Oc3ccccc3)c4nnn%5BnH%5D4)cc5