Using COC(=O)c1ccc(C2CCN(C(=O)OC(C)(C)C)CC2O)cc1, COCCN(CCOC)S(F)(F)F to produce COC(=O)c1ccc(C2CCN(C(=O)OC(C)(C)C)CC2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.