Using Nc1cccc(N(Cc2cccc(OC(F)(F)C(F)F)c2)CC(O)C(F)(F)F)c1, CC(C)C=O to produce CC(C)CNc1cccc(N(Cc2cccc(OC(F)(F)C(F)F)c2)CC(O)C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.