Using BrC(Br)(Br)Br, O=S(=O)(c1ccccc1)n1ccc2c(CO)cccc21 to produce O=S(=O)(c1ccccc1)n1ccc2c(CBr)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.