Using COc1ccc2c(Oc3ccc(/C=C/C(=O)O)cc3)c(-c3ccccc3)c(CCC(F)(F)F)cc2c1 to produce O=C(O)/C=C/c1ccc(Oc2c(-c3ccccc3)c(CCC(F)(F)F)cc3cc(O)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.