Using CCOP(=O)(CC(=O)OC(C)(C)C)OCC, COc1cc(C=CC(=O)c2ccccc2)ccc1C=O to produce COc1cc(C=CC(=O)c2ccccc2)ccc1C=CC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.