Using Oc1ccc2cc(-c3oc4ccccc4c3CCC3CCCC3)ccc2c1, BrBr to produce Oc1ccc2cc(-c3oc4ccccc4c3CCC3CCCC3)ccc2c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.