Using CCCCSc1nccc(Cl)n1, O=[N+]([O-])c1cccc2[nH]ncc12 to produce CCCCSc1nccc(-n2ncc3c([N+](=O)[O-])cccc32)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.