Using C/C(=C(\F)C(=O)Nc1ccc(-c2ccccc2S(=O)(=O)NC(C)(C)C)cc1)c1cccc(C#N)c1, CC(=O)OCBr to produce COC(=O)CN(C(=O)/C(F)=C(/C)c1cccc(C#N)c1)c1ccc(-c2ccccc2S(=O)(=O)NC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.