Using BrC(Br)(Br)Br, COC(=O)C(CCOC1CCCCO1)c1ccc2ccccc2c1 to produce COC(=O)C(CCBr)c1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.