Using COC(=O)/C=C/c1ccc(C(=O)OC)cc1Br, O=S([O-])O to produce COC(=O)CC(c1ccc(C(=O)OC)cc1Br)S(=O)(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.