Using Cc1nc(S)nn1-c1ccc([N+](=O)[O-])cc1, COS(=O)(=O)OC to produce CSc1nc(C)n(-c2ccc([N+](=O)[O-])cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.