Using C[C@@H]1CNC[C@H](C)N1C(=O)OC(C)(C)C, O=Cc1ccc(Br)cc1 to produce C[C@@H]1CN(Cc2ccc(Br)cc2)C[C@H](C)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.