Using CS(=O)(=O)NC(=O)c1cc(Cl)c(F)cc1F, Oc1ccc(C(F)(F)F)c(Cl)c1 to produce CS(=O)(=O)NC(=O)c1cc(Cl)c(Oc2ccc(C(F)(F)F)c(Cl)c2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.