Using Fc1c(Cl)cccc1CSc1nc(Cl)cc(Cl)n1, CN1CCN(S(N)(=O)=O)CC1 to produce CN1CCN(S(=O)(=O)Nc2cc(Cl)nc(SCc3cccc(Cl)c3F)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.