Using CON(C)C(=O)C1CC(NC(=O)c2ccccc2)(c2ccc(Cl)cc2)C1, C=CCCBr to produce C=CCCC(=O)C1CC(NC(=O)c2ccccc2)(c2ccc(Cl)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.