Using O=C(c1ccccc1-c1ccccc1)N1CC2CCNCC21, Clc1cnc2ccccc2n1 to produce O=C(c1ccccc1-c1ccccc1)N1CC2CCN(c3cnc4ccccc4n3)CC21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.