Using COc1ccc([C@@H](C(=O)N2CCCCC2)[C@H](COCc2ccccc2)C(=O)NO)cc1 to produce COc1ccc([C@@H](C(=O)N2CCCCC2)[C@H](CO)C(=O)NO)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.