Using C[O-], Cc1ccc(C(=O)OC[C@H]2O[C@@H](n3c(Cl)c(C=O)c4cc(Cl)c(Cl)cc43)C[C@@H]2OC(=O)c2ccc(C)cc2)cc1 to produce COc1c(C=O)c2cc(Cl)c(Cl)cc2n1[C@H]1C[C@H](O)[C@@H](CO)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.