Using CCCOc1cc(CNc2c([N+](=O)[O-])n[nH]c(=O)c2Cl)ccc1OC to produce CCCOc1cc(CNc2c(N)n[nH]c(=O)c2Cl)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.