Using BrBr, Cn1nc(-c2cc(N)c(Cl)cc2F)c(Cl)c1C(F)(F)F to produce Cn1nc(-c2c(F)cc(Cl)c(N)c2Br)c(Cl)c1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.