Using OB(O)c1ccc(N(c2ccccc2)c2ccccc2)cc1, Brc1cnc(Br)cn1 to produce Brc1cnc(-c2ccc(N(c3ccccc3)c3ccccc3)cc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.