Using CSc1nc(N)nc(S)c1C#N, O=C(CCl)Nc1cccc(C(F)(F)F)c1 to produce CSc1nc(N)nc(SCC(=O)Nc2cccc(C(F)(F)F)c2)c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.