Using CC(C)(C)OC(=O)N1CCC(c2ccc(O)cc2)C(O)C1 to produce O=C(OCc1ccccc1)N1CCC(c2ccc(O)cc2)C(O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.