Using O=C(O)CCCC[C@H]1[C@H]2NC(=O)N[C@H]2CS1=O, O=C(O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@@H]21 to produce O=C(O)CCCC[C@H]1[C@H]2NC(=O)N[C@H]2CS1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.