Using Brc1cc(I)c2[nH]ncc2c1, OB(O)c1cc2ccccc2s1 to produce Brc1cc(-c2cc3ccccc3s2)c2[nH]ncc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.