Using O=C1NC(Cc2ccc([N+](=O)[O-])c(OCc3ccccc3)c2)C(=O)Nc2ccccc21 to produce Nc1ccc(CC2NC(=O)c3ccccc3NC2=O)cc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.