Using O[C@H]1[C@H](O)[C@@H](C(F)F)C[C@@H]2OC(=S)N[C@H]12, CI to produce CSC1=N[C@@H]2[C@@H](O)[C@H](O)[C@@H](C(F)F)C[C@@H]2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.