Using CC(C)C#CC(O)(c1cc(Cl)ccc1N)C(F)(F)F, O=C(Br)CBr to produce CC(C)C#CC1(C(F)(F)F)OCC(=O)Nc2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.