Using O=C(Cl)C=Cc1ccccc1, NS(=O)(=O)c1nc2ccc(O)cc2s1 to produce NS(=O)(=O)c1nc2ccc(OC(=O)C=Cc3ccccc3)cc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.