Using CCOC(=O)c1ccc(/C=C(\C)c2ccc(C(C)(C)C)cc2C)cc1 to produce C/C(=C\c1ccc(C(=O)O)cc1)c1ccc(C(C)(C)C)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.