Using Fc1ccccc1, O=C(Cl)c1cc(C(=O)Cl)cc(C(=O)Cl)c1 to produce O=C(c1ccc(F)cc1)c1cc(C(=O)c2ccc(F)cc2)cc(C(=O)c2ccc(F)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.