Using Nc1ccc(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)cc1F, CCOC(=O)c1cnc(Cl)cc1Cl to produce CCOC(=O)c1cnc(Cl)cc1Nc1ccc(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.