Using CSC(=N)N, CSc1ccc(C(=O)CC(=O)C(F)(F)F)nc1 to produce CSc1ccc(-c2cc(C(F)(F)F)nc(SC)n2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.