Using CC(C)(C)OC(=O)N1CCNCC1, O=Cc1c(Cl)cccc1N1CCCC1 to produce CC(C)(C)OC(=O)N1CCN(Cc2c(Cl)cccc2N2CCCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.