Using CCSc1ccncc1C(=O)O, Nc1cc(C(F)(F)F)cnc1S to produce CCSc1ccncc1C(=O)Nc1cc(C(F)(F)F)cnc1S, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.