Using O=C(OCc1ccccc1)c1ccc(O)cc1, BrCCCCCCCCCCCCBr to produce O=C(OCc1ccccc1)c1ccc(OCCCCCCCCCCCCBr)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.