Using Nc1c(F)cccc1F, COC(=O)c1c(S(=O)(=O)Cl)n[nH]c1NC(C)=O to produce COC(=O)c1c(S(=O)(=O)Nc2c(F)cccc2F)n[nH]c1NC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.