Using COc1ccc(COC(=O)[C@H](CC(C)C)N(C(=O)OCC(Cl)(Cl)Cl)c2nn(C)cc2Br)cc1 to produce COc1ccc(COC(=O)[C@H](CC(C)C)Nc2nn(C)cc2Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.