Using FC(F)(F)c1ccc2ncc(Br)n2c1, OB(O)c1ccnc(Cl)c1 to produce FC(F)(F)c1ccc2ncc(-c3cccnc3Cl)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.