Using CCN(CC)S(F)(F)F, CCOC(=O)C(F)(F)C(O)c1cccc(Cl)c1 to produce CCOC(=O)C(F)(F)C(F)c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.