Using Cc1ccc(S(=O)(=O)Cl)c([N+](=O)[O-])c1, CCOC(=O)CNCCN to produce CCOC(=O)CNCCNS(=O)(=O)c1ccc(C)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.