Using CCOC(=O)C(F)(F)C(CNC(=O)OC(C)(C)C)OS(=O)(=O)c1ccc(C)cc1 to produce Cc1ccc(S(=O)(=O)OC2CN(C(=O)OC(C)(C)C)C(=O)C2(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.