Using C/C=C/C(=O)N1CCOC1=O, Nc1ccc(C(F)(F)F)cc1 to produce CC(CC(=O)N1CCOC1=O)Nc1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.