Using Cc1cc(N)n[nH]1, Clc1cc(Cl)nc(-c2ccccc2Cl)n1 to produce Cc1cc(Nc2cc(Cl)nc(-c3ccccc3Cl)n2)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.