Using OB(O)c1cncc(Br)c1, Cc1cccc(-c2nc(I)c3cc[nH]c3n2)n1 to produce Cc1cccc(-c2nc(-c3cncc(Br)c3)c3cc[nH]c3n2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.