Using O=S(=O)(O)O, CSc1nc(C(F)(F)c2ccc(F)cn2)nc2c(C#N)cccc12 to produce CSc1nc(C(F)(F)c2ccc(F)cn2)nc2c(C(N)=O)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.