Using CC1(C)COB(c2cccc(-n3cncn3)c2)OC1, FC(F)(F)c1cnn2c(Br)cnc2n1 to produce FC(F)(F)c1cnn2c(-c3cccc(-n4cncn4)c3)cnc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.