Using CS(=O)(=O)Cl, COC(=O)C1CC(CO)CN1C(=O)OC(C)(C)C to produce COC(=O)C1CC(CS(C)(=O)=O)CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.