Using CN1CCNCC1, CCC(CC)C(c1ccc(NC(=O)CCl)cc1)n1cncn1 to produce CCC(CC)C(c1ccc(NC(=O)CN2CCN(C)CC2)cc1)n1cncn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.