Using O=[N+]([O-])c1ccc2nc(Cl)ccc2c1, CN1C(=O)CC[C@]2(C)c3ccc(S)cc3CC[C@@H]12 to produce CN1C(=O)CC[C@]2(C)c3ccc(Sc4ccc5cc([N+](=O)[O-])ccc5n4)cc3CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.