Using FC(F)(F)c1ccc(-c2cccc(Br)c2)cc1, CC(=O)CCCC#N to produce CC(O)(CCCC#N)c1cccc(-c2ccc(C(F)(F)F)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.