Using O=[N+]([O-])c1cc[nH]n1, Clc1ccc(CBr)cc1Cl to produce O=[N+]([O-])c1ccn(Cc2ccc(Cl)c(Cl)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.