Using CCOC(C)=O, CC(=O)c1ccccc1 to produce CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OC(=O)CC(C)(O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.