Using CS(=O)(=O)c1ncnc2nc(-c3c(Cl)cccc3Cl)sc12, NC(=O)C1CC1 to produce O=C(Nc1ncnc2nc(-c3c(Cl)cccc3Cl)sc12)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.