Using CN1C(=O)Cc2ccsc2S1(=O)=O, O=C=NCc1ccccc1 to produce CN1C(O)=C(C(=O)NCc2ccccc2)c2ccsc2S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.