Using CC(C)(C)CN1C(=O)[C@@H](CC(=O)O)O[C@H](c2ccccc2Cl)c2cc(Cl)ccc21 to produce CC(C)(C)CN1C[C@@H](CCO)O[C@H](c2ccccc2Cl)c2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.