Using COc1ccccc1[C@H]1O[C@H](CC(=O)O)C(=O)N(CC(C)(C)C)c2ccc(Cl)cc21 to produce COc1ccccc1[C@H]1O[C@H](CC(=O)[O-])C(=O)N(CC(C)(C)C)c2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.