Using Nc1cnc(Br)cn1, CC1(C)OB(c2cccc(Cn3nc(-c4cc(F)cc(F)c4)ccc3=O)c2)OC1(C)C to produce Nc1cnc(-c2cccc(Cn3nc(-c4cc(F)cc(F)c4)ccc3=O)c2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.