Using OB(O)c1cc[nH]n1, N#Cc1cnc(Nc2cc3cccc(Br)c3cn2)cn1 to produce N#Cc1cnc(Nc2cc3cccc(-c4cc[nH]n4)c3cn2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.