Using ClC(c1ccccc1)(c1ccccc1)c1ccccc1, Brc1c[nH]cn1 to produce Brc1cn(C(c2ccccc2)(c2ccccc2)c2ccccc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.