Using O=Cc1cc(Cl)cc(Cl)c1O, NNC(=S)Nc1ccc(S(=O)(=O)O)cc1 to produce O=S(=O)(O)c1ccc(NC(=S)NN=Cc2cc(Cl)cc(Cl)c2O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.