Using Br, CCCc1cc(C(O)(C(F)(F)F)C(F)(F)F)ccc1N to produce CCCc1cc(C(O)(C(F)(F)F)C(F)(F)F)ccc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.