Using CC(C)(C)OC(=O)NN1C(=O)c2ccccc2C1=O, O[C@@H]1CCOC1 to produce CC(C)(C)OC(=O)N([C@H]1CCOC1)N1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.