Using COC(=O)c1ncccc1N, O=S(=O)(Cl)c1ccc(Cl)c(C(F)(F)F)c1 to produce O=C(O)c1ncccc1NS(=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.