Using O=C(c1ccccc1)C(Cc1ccccc1)Cc1ccc([N+](=O)[O-])c(OCc2ccccc2)c1 to produce Nc1ccc(CC(C(=O)c2ccccc2)c2ccccc2)cc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.