Using O=C(Cl)OCc1ccc([N+](=O)[O-])cc1, NCCS(=O)(=O)O to produce O=C(NCCS(=O)(=O)[O-])OCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.