Using COC(=O)c1ccc(/C=C\C(CCC(F)(F)F)c2ccc(-c3ccc(C(F)(F)F)cc3)nc2)cc1 to produce O=C(O)c1ccc(/C=C\C(CCC(F)(F)F)c2ccc(-c3ccc(C(F)(F)F)cc3)nc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.