Using CCN(CC)S(F)(F)F, CC(C)(C)OC(=O)N1CCC(O)(c2ncccc2Cl)CC1 to produce CC(C)(C)OC(=O)N1CCC(F)(c2ncccc2Cl)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.