Using COC(=O)c1ccc(F)cc1Oc1cccc(/N=C(/Cl)C(F)(F)F)c1C, O=C1CCC(=O)N1Br to produce COC(=O)c1ccc(F)cc1Oc1cccc(/N=C(/Cl)C(F)(F)F)c1CBr, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.