Using OCCN1CCOCC1, COc1cc2c(Oc3ccc4cccnc4c3)ncnc2cc1O to produce COc1cc2c(Oc3ccc4cccnc4c3)ncnc2cc1OCCN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.