Using C=CCC1(O)CCN(C(=O)OC(C)(C)C)C(C(=O)OC)C1, CCN(CC)S(F)(F)F to produce CCCC1(F)CCN(C(=O)OC(C)(C)C)C(C(=O)OC)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.