Using O=C1NC(=O)c2ccccc21, COc1cc(CO)ccc1[N+](=O)[O-] to produce COc1cc(CN2C(=O)c3ccccc3C2=O)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.