Using C[C@@H](OCc1ccccc1)[C@H]1COCC(=O)N1C(=O)OC(C)(C)C, [OH-] to produce C[C@@H](OCc1ccccc1)[C@@H](COCC(=O)O)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.