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