Using OC1(c2nc(-c3ccccc3)c(-c3ccccc3)o2)CCCCC1Br to produce c1ccc(-c2nc(C34CCCCC3O4)oc2-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.