Using O=C(OCc1ccccc1)C1=C(Sc2ccc([N+](=O)[O-])cc2)CC2CC(=O)N12 to produce Nc1ccc(SC2=C(C(=O)OCc3ccccc3)N3C(=O)CC3C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.