Using O=C(/C=C/[C@@H]1[C@H]2CC(=O)O[C@H]2C[C@H]1OC(=O)c1ccccc1)COc1ccccc1 to produce O=C(CC[C@@H]1[C@H]2CC(=O)O[C@H]2C[C@H]1OC(=O)c1ccccc1)COc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.