Using CC1(C)C(=O)N(Br)C(=O)N1Br, COC(=O)c1c(C)ccc2ccccc12 to produce COC(=O)c1c(C)ccc2cccc(Br)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.