Using Clc1ccncc1, O=C(Nc1ccc(Cl)cn1)c1ncccc1NCC1CCNCC1 to produce O=C(Nc1ccc(Cl)cn1)c1ncccc1NCC1CCN(c2ccncc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.