Using CCOC(=O)C=C(C)c1cc2cccc(-c3cc(C(C)C)cc(C(C)C)c3OCC(F)F)c2o1 to produce CC(=CC(=O)O)c1cc2cccc(-c3cc(C(C)C)cc(C(C)C)c3OCC(F)F)c2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.