Using Oc1ccc(F)cc1F, NS(=O)(=O)c1cccc(NC(=O)c2nc3ccccc3nc2Cl)c1 to produce NS(=O)(=O)c1cccc(NC(=O)c2nc3ccccc3nc2Oc2ccc(F)cc2F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.