Using NS(=O)(=O)c1ccc2c(c1)CCC2, O=C=Nc1ccc(Cl)cc1 to produce O=C(Nc1ccc(Cl)cc1)NS(=O)(=O)c1ccc2c(c1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.