Using CCOC(=O)c1nc(-c2ccccc2)nc2ccccc12, CC1CCNCC1 to produce CC1CCN(C(=O)c2nc(-c3ccccc3)nc3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.