Using CCOC(=O)C1=Cc2cc(CC)cc(C)c2OC1C(F)(F)F to produce CCc1cc(C)c2c(c1)C=C(C(=O)O)C(C(F)(F)F)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.