Using O=C(O)c1ccc(S(=O)(=O)Nc2ccc(F)c(C(F)(F)F)c2)cc1, COC(=O)C[C@H](N)C(=O)OC to produce COC(=O)CC(NC(=O)c1ccc(S(=O)(=O)Nc2ccc(F)c(C(F)(F)F)c2)cc1)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.