Using Cn1nc(Br)c2cnc(N)nc21, CC1(C)OB(c2cnc(N)c(C(F)(F)F)c2)OC1(C)C to produce Cn1nc(-c2cnc(N)c(C(F)(F)F)c2)c2cnc(N)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.