Using c1ccc2c3c([nH]c2c1)CNCC3, CC1=C2OC(C)(C=O)CC2C(C)C([N+](=O)[O-])=C1C to produce CC1=C2OC(C)(CN3CCc4c([nH]c5ccccc45)C3)CC2C(C)C([N+](=O)[O-])=C1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.