Using COC(=O)C(Cc1ccc(O)cc1)NC(C)=CC(=O)c1ccc(F)cc1, BrCCBr to produce COC(=O)C(Cc1ccc(OCCBr)cc1)NC(C)=CC(=O)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.