Using O=C1Cc2cc(C(=O)c3ccc([N+](=O)[O-])cc3)ccc2N1, O=Nc1ccccc1 to produce Nc1cccc(C(=O)c2ccc3c(c2)CC(=O)N3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.