Using CS(=O)(=O)Cl, Cc1nc(CO)c2cc(C3CCC(C)(C)CC3)sc2n1 to produce Cc1nc(COS(C)(=O)=O)c2cc(C3CCC(C)(C)CC3)sc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.