Using CON=C1CCc2cc(-c3cc(C(=O)O)oc3-c3ccncc3)ccc21, O=C(O)C(F)(F)F to produce O=C(O)c1cc(-c2ccc3c(c2)CCC3=O)c(-c2ccncc2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.