Using OC1COCCOC1, CC(C)(C)OC(=O)NN1C(=O)c2ccccc2C1=O to produce CC(C)(C)OC(=O)N(C1COCCOC1)N1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.