Using COCNC(=O)C1CCN(C(=O)OC(C)(C)C)CC1, COc1ccccc1OC to produce COc1cccc(C(=O)C2CCN(C(=O)OC(C)(C)C)CC2)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.