Using O=C(O)c1ccc(Br)cc1, CC(C)(C)S[S@](=O)C(C)(C)C to produce CC(C)(C)[S@](=O)c1ccc(C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.