Using c1nc[nH]n1, ClCC1CN(Cc2ccccc2)CCN1Cc1ccccc1 to produce c1ccc(CN2CCN(Cc3ccccc3)C(Cn3cncn3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.