Using CC(=O)Oc1ccccc1-c1cc(C(=O)OCc2ccccc2)c2ccccc2n1 to produce CC(=O)Oc1ccccc1-c1cc(C(=O)O)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.