Using C#CCBr, CC(C)(CC(=O)C(F)F)c1cc(Cl)cc2c1OCC2 to produce C#CCC(O)(CC(C)(C)c1cc(Cl)cc2c1OCC2)C(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.