Using CCOC(=O)C(CC)c1ccc(N[C@@H](CCC(N)=O)C(=O)O)cc1 to produce CCC(C(=O)O)c1ccc(N[C@@H](CCC(N)=O)C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.