Using CCC[Mg]Br, COc1ccc(C=O)c2cc(C(F)(F)F)nn12 to produce CCCC(O)c1ccc(OC)n2nc(C(F)(F)F)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.