Using CC(C)(C)OC(=O)c1ccc(/C=C\c2ccc(C(=O)OC(C)(C)C)cc2)cc1 to produce O=C(O)c1ccc(/C=C\c2ccc(C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.