Using Nc1cccc(O)c1, COc1ccc(-c2c(-c3ccccc3)oc3ncnc(Cl)c23)cc1 to produce COc1ccc(-c2c(-c3ccccc3)oc3ncnc(Oc4cccc(N)c4)c23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.