Using CCc1cc(C(F)(C(F)(F)F)C(F)(F)F)cc(C)c1NC(=O)c1ccc(CN2C(=O)c3ccccc3C2=O)cc1 to produce CCc1cc(C(F)(C(F)(F)F)C(F)(F)F)cc(C)c1NC(=O)c1ccc(CN)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.