Using C[C@H](c1ccccc1)N1C[C@@](CC(=O)O)(C(=O)OC(C)(C)C)[C@@H](COCc2ccccc2)C1=O to produce C[C@H](c1ccccc1)N1C[C@@](CC(=O)O)(C(=O)OC(C)(C)C)[C@@H](CO)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.