Using COC(=O)c1ccccc1-c1cc(C(=O)OC)c2cc(C)ccc2n1 to produce COC(=O)c1ccccc1-c1cc(C(=O)O)c2cc(C)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.