Using O=C1OC(=O)c2ccc([N+](=O)[O-])c3cccc1c23, CCN(CCO)c1ccc(N)cc1 to produce CCN(CCO)c1ccc(N2C(=O)c3cccc4c([N+](=O)[O-])ccc(c34)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.