Using O=C(O)c1ccccc1, COc1cc(N)c(Cl)cc1C(=O)NCC1CCN(CCCCN)CC1 to produce COc1cc(N)c(Cl)cc1C(=O)NCC1CCN(CCCCNC(=O)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.