Using CC(C)(C)OC(=O)N(CCCl)CCCl, N#CCc1ccc(F)cc1F to produce CC(C)(C)OC(=O)N1CCC(C#N)(c2ccc(F)cc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.