Using O=C(Cl)C=Cc1ccccc1, COC(=O)CNc1ccc(Br)cc1 to produce COC(=O)CN(C(=O)/C=C/c1ccccc1)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.