Using CCCn1c(NC(=O)c2ccc(Cl)nc2)c(N=O)c(=O)n(C2CC2)c1=O to produce CCCn1c(=O)n(C2CC2)c(=O)c2[nH]c(-c3ccc(Cl)nc3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.