Using c1c[nH]cn1, O=[N+]([O-])c1cccc2[nH]c(Cl)nc12 to produce O=[N+]([O-])c1cccc2[nH]c(-n3ccnc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.