Using O=Cc1cc(Cl)ccc1N1CCCC1, CC(C)(C)OC(=O)N1CCNCC1 to produce CC(C)(C)OC(=O)N1CCN(Cc2cc(Cl)ccc2N2CCCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.