Using CC1=C2OC(C)(C(=O)N3CCc4c([nH]c5ccccc45)C3)CC2C(C)C([N+](=O)[O-])=C1C to produce Cc1c(C)c2c(c(C)c1N)CC(C)(C(=O)N1CCc3c([nH]c4ccccc34)C1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.