Using CC(C)(C)OC(=O)c1c(N)sc2c1CCOC2CO, O=C1CSC(=O)N1 to produce CC(C)(C)OC(=O)c1c(N)sc2c1CCOC2CN1C(=O)CSC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.