Using COC(=O)c1csc(CNC(=O)COc2ccc(OC(F)(F)F)cc2)n1 to produce O=C(COc1ccc(OC(F)(F)F)cc1)NCc1nc(C(=O)O)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.