Using NC(=O)c1cc([N+](=O)[O-])ccc1SSc1ccc([N+](=O)[O-])cc1C(N)=O to produce NC(=O)c1cc(N)ccc1SSc1ccc(N)cc1C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.