Using Brc1cccc(Br)c1, OB(O)c1ccc2ccc3cccc4ccc1c2c34 to produce Brc1cccc(-c2ccc3ccc4cccc5ccc2c3c45)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.