Using COc1cc(-c2cnc(N)c(-c3cn(C(C)C)nn3)c2)ccc1C(=O)N1CCOCC1 to produce COc1cc(-c2cnc(N)c(-c3cn(C(C)C)nn3)c2)ccc1CN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.