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