Using CSc1nc(Cl)cc(Cl)n1, FC(F)(F)[C@@H]1CCCN1 to produce CSc1nc(Cl)cc(N2CCC[C@H]2C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.