Using O=CO, O=C(c1cccc(Cl)n1)c1ncc(Cl)cc1NS(=O)(=O)c1ccc(Cl)c(C(F)(F)F)c1 to produce O=C(c1cccc(O)n1)c1ncc(Cl)cc1NS(=O)(=O)c1ccc(Cl)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.