Using CCOC(=O)c1cc(C2CCC2)nc(C(F)(F)F)n1, BrBr to produce O=C(O)c1cc(C2(Br)CCC2)nc(C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.