Using FC(F)(F)c1c[nH]c(-c2ccccc2Cl)n1, OB(O)c1ccc(Br)cc1 to produce FC(F)(F)c1cn(-c2ccc(Br)cc2)c(-c2ccccc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.