Using CCOC(=O)COc1cccc2c1CCc1sc(S)nc1-2, O=[N+]([O-])c1ccc(Cl)c([N+](=O)[O-])c1 to produce CCOC(=O)COc1cccc2c1CCc1sc(Sc3ccc([N+](=O)[O-])cc3[N+](=O)[O-])nc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.