Using Oc1ccc(-c2cccc(F)c2F)cc1, OCCCCCCCCCCCBr to produce OCCCCCCCCCCCOc1ccc(-c2cccc(F)c2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.