Using COc1cc(F)ccc1C(=O)Nc1cccnc1SCCS(=O)(=O)c1cccc(C(F)(F)F)c1 to produce O=C(Nc1cccnc1SCCS(=O)(=O)c1cccc(C(F)(F)F)c1)c1ccc(F)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.