Using CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)OCc1ccc(C=O)o1, O=C([O-])O to produce CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)OCc1ccc(C(=O)O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.