Using N#Cc1ccc(-c2cc(CO)cc(C(F)(F)F)c2)cc1, O=C1CCC(=O)N1Br to produce N#Cc1ccc(-c2cc(CBr)cc(C(F)(F)F)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.