Using Nc1nc(N)c2nc(CBr)cnc2n1, CC(C)(C)OC(=O)C(N)Cc1ccc(O)cc1 to produce CC(C)(C)OC(=O)C(Cc1ccc(O)cc1)NCc1cnc2nc(N)nc(N)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.