Using COc1ccc(Oc2nc(Cl)ncc2Br)cc1, CN(C)CC(O)COc1ccc(N)cc1 to produce COc1ccc(Oc2nc(Nc3ccc(OCC(O)CN(C)C)cc3)ncc2Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.