Using COC(=O)c1cc([N+](=O)[O-])c(NCCCl)c([N+](=O)[O-])c1 to produce COC(=O)c1cc2c(c([N+](=O)[O-])c1)NCCN2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.