Using C[C@H](NC(=O)CNc1ncc(C=O)s1)C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1ccc(O)cc1)C(N)=O to produce C[C@H](NC(=O)CNc1ncc(CO)s1)C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1ccc(O)cc1)C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.