Using CC(=O)OC(C)C(NC(=O)OC(C)(C)C)C(=O)OCc1ccccc1 to produce CC(=O)O[C@H](C)[C@H](NC(=O)OC(C)(C)C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.