Using CC(C)(C)OC(=O)N1[C@H]([C@@H](C(=O)N2C(=O)OC[C@H]2Cc2ccccc2)c2ccc(Br)cc2)CCC1(C)C, O=S([O-])[O-] to produce CC(C)(C)OC(=O)N1[C@H]([C@@H](C(=O)O)c2ccc(Br)cc2)CCC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.