Using NCCS, N#Cc1ccc(CNS(=O)(=O)c2ccc(F)cc2)cc1 to produce O=S(=O)(NCc1ccc(C2=NCCS2)cc1)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.