Using CS(=O)(=O)Cl, CC(C)(C)OC(=O)N1CC2(CC(O)C2)C1 to produce CC(C)(C)OC(=O)N1CC2(CC(OS(C)(=O)=O)C2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.