Gene therapy is designed to introduce genetic material into cells to compensate for abnormal genes or to make a beneficial protein. If a mutated gene causes a necessary protein to be faulty or missing, gene therapy may be able to introduce a normal copy of the gene to restore the function of the protein.
The answer to your question is nitrogen dioxide
The compound form from propanoic acid and
dimethylamine is 3-(dimethylamino)propanoic acid. Propanoic acid is a liquid
carboxylic acid that has pungent and unpleasant smell resembling to body odor.
Its chemical formula is C2H5C00H. Moreover, dimethylamine is an organic
compound and a secondary amine that is colorless, flammable gas with an ammonia
like odor. Its chemical formula is (CH3)2NH.
The 2D structure is attached here.