Using BrCc1ccc(-c2ccccc2)cc1, O=C1CCCCc2ccc(O)cc21 to produce O=C1CCCCc2ccc(OCc3ccc(-c4ccccc4)cc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.