Using CC(C)(C)OC(=O)N[C@@H](C[C@H](Cc1ccc(O[C@H]2C[C@H](OCc3ccccc3)C2)cc1)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N[C@@H](C[C@H](Cc1ccc(O[C@H]2C[C@H](O)C2)cc1)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.