Using CC(=O)Oc1cn(C(C)=O)c2ccccc12, CC(C)(C)OC(=O)N1CCNCC1 to produce CC(=O)n1cc(N2CCN(C(=O)OC(C)(C)C)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.