Using Cc1cc(NCc2ccc(Cl)c(Cl)c2)c2cccc(Br)c2n1, N to produce Cc1cc(NCc2ccc(Cl)c(Cl)c2)c2cccc(N)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.