Using Br[Mg]CCC1OCCCO1, Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1C=O to produce Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1C(O)CCC1OCCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.