Using O=[N+]([O-])c1ccc2nc(S)[nH]c2c1, CCCn1cncc1CCl to produce CCCn1cncc1CSc1nc2ccc([N+](=O)[O-])cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.