Using CC(=O)c1ccc(-c2ccc(C(F)(F)F)cc2)c(-c2ccccc2)n1, CON to produce CON=C(C)c1ccc(-c2ccc(C(F)(F)F)cc2)c(-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.