Using C1CCOC1, CC(C)(C)OC(=O)N1c2ccccc2C=CC1(C)C to produce CC(C)(C)OC(=O)N1c2ccccc2C(=O)CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.