Using O=Cc1ccc(Oc2c(-c3ccccc3)c(C(F)(F)F)cc3ccccc23)cc1, O=C(O)CC(=O)O to produce O=C(O)/C=C/c1ccc(Oc2c(-c3ccccc3)c(C(F)(F)F)cc3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.