Using O=C(O)C1CCCCN1, COc1cc([N+](=O)[O-])ccc1N=C=O to produce COc1cc([N+](=O)[O-])ccc1N1C(=O)C2CCCCN2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.