Using COC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](O)C(C)(C)CO to produce CC(C)(CO)[C@@H](O)C(=O)N[C@@H](Cc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.