Using Clc1cccc(Cl)n1, CC(C)(C)OC(=O)N1CCC(C(O)c2ccc(Br)cc2)CC1 to produce CC(C)(C)OC(=O)N1CCC(C(Oc2cccc(Cl)n2)c2ccc(Br)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.