Using CC(C)(C)OC(=O)N[C@@H](C(=O)N1CCC[C@H]1C(=O)OCc1ccccc1)c1ccccc1 to produce CC(C)(C)OC(=O)N[C@@H](C(=O)N1CCC[C@H]1C(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.