Using O=C(Cl)Cc1ccccc1, CC(C)n1nc(C(=O)NCCN2CCC(N)CC2)c2ccccc21 to produce CC(C)n1nc(C(=O)NCCN2CCC(NC(=O)Cc3ccccc3)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.