Using CC(C)(C)OC(=O)Nc1c(Br)ccc2ccc(OS(C)(=O)=O)cc12 to produce CC(C)(C)OC(=O)Nc1c(Br)ccc2ccc(O)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.