Using C#CCBr, O=c1[nH]nc(-c2ccc(Cl)cc2)n1CC(O)C(F)(F)F to produce C#CCn1nc(-c2ccc(Cl)cc2)n(CC(O)C(F)(F)F)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.