Using O=C(O)c1ccc(Cl)cc1[N+](=O)[O-], CCCn1c(N)c(N=O)c(=O)n(CCC)c1=O to produce CCCn1c(=O)c2[nH]c(-c3ccc(Cl)cc3N)nc2n(CCC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.