Using N#Cc1ccc(-c2ncc(C(F)(F)F)cc2Cl)cc1O, O=C(CBr)C1CC1 to produce N#Cc1ccc(-c2ncc(C(F)(F)F)cc2Cl)cc1OCC(=O)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.