Using BrBr, COc1ccc(-c2nc(C(F)(F)F)c[nH]2)cc1 to produce COc1ccc(-c2nc(Br)c(C(F)(F)F)[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.