Using O=S(=O)(O)O, Cc1nn(C)c(C)c1Oc1cc(Sc2ccccn2)cnc1C#N to produce Cc1nn(C)c(C)c1Oc1cc(Sc2ccccn2)cnc1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.