Using BrCC=C(c1ccccc1)c1ccccc1, O=S([O-])c1ccccc1 to produce O=S(=O)(CC=C(c1ccccc1)c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.