Using CC(=O)O[C@@H]1CC(=O)N([C@@H]2CCCC[C@H]2OCc2ccccc2)C1=O to produce CC(=O)O[C@@H]1CC(=O)N([C@@H]2CCCC[C@H]2O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.