Using N=c1n(Cc2ccc(F)c(F)c2)c2ccccc2n1Cc1ccc(F)c(F)c1, BrBr to produce N=c1n(Cc2ccc(F)c(F)c2)c2ccc(Br)cc2n1Cc1ccc(F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.