Using Cc1c(-c2ccc(Cl)cc2)sc(N)c1C(N)=O, O=C=NC(=O)C(Cl)(Cl)Cl to produce Cc1c(-c2ccc(Cl)cc2)sc(NC(N)=O)c1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.