Using COC(=O)C(CC1CCCC1)n1ncc(Oc2nccc(C(F)(F)F)n2)cc1=O to produce O=C(O)C(CC1CCCC1)n1ncc(Oc2nccc(C(F)(F)F)n2)cc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.