Using CCS, CC(C)(C)C(=O)C(C(Cl)C(Cl)(Cl)Cl)n1cncn1 to produce CCSC(C(C(=O)C(C)(C)C)n1cncn1)C(Cl)(Cl)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.