Using COc1ccc(/C=C/C(C)=O)cc1, O=Cc1ccc(C(F)(F)F)cc1 to produce COc1ccc(/C=C/C(=O)/C=C/c2ccc(C(F)(F)F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.