Using Nc1cccc(Br)c1O, O=C([O-])Cc1nc(N2CCOCC2)cc(=O)[nH]1 to produce O=C(Cc1nc(N2CCOCC2)cc(=O)[nH]1)Nc1cccc(Br)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.