Using C[C@H]1CNCCN1, Clc1nnc(Cc2ccccc2)c2ccccc12 to produce C[C@H]1CN(c2nnc(Cc3ccccc3)c3ccccc23)CCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.