Using CN1CCN(Cc2ccc(N)nc2)CC1, Clc1cc(Br)c2nccn2n1 to produce CN1CCN(Cc2ccc(Nc3cc(Cl)nn4ccnc34)nc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.