Using COC(=O)c1c(N)cccc1F, O=C(Cl)Cc1ccc(F)cc1 to produce COC(=O)c1c(F)cccc1NC(=O)Cc1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.