Using Cc1ccc(-c2ccc(C[C@H]3[C@H](C[C@H](Cc4ccccc4)NC(=O)OC(C)(C)C)OC(C)(C)N3C(=O)OCc3ccccc3)cc2)nc1 to produce Cc1ccc(-c2ccc(C[C@H](N)[C@@H](O)C[C@H](Cc3ccccc3)NC(=O)OC(C)(C)C)cc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.