Using O=Cc1ccc(O)cc1, CC(C)(C)OC(=O)N1CCC(O)C1 to produce CC(C)(C)OC(=O)N1CCC(Oc2ccc(C=O)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.