Using NNC1CCN(Cc2ccccc2)CC1, CCOC(=O)C1CCN(C(=O)OC(C)(C)C)CCC1=O to produce CC(C)(C)OC(=O)N1CCC2=NN(C3CCN(Cc4ccccc4)CC3)C(=O)C2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.