Using O=C([O-])[O-], CN1CCc2c(O)ccc([N+](=O)[O-])c2C1=O to produce COc1ccc([N+](=O)[O-])c2c1CCN(C)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.