American Hustle on Fragrance

I went to see American Hustle over the weekend, and one of the characters, Rosalyn, asked the others to smell her fingernails because she loved the smell of a certain topcoat. They all liked the fragrance, and she said that it smelled of "flowers and garbage." She then remarked that "The best perfumes have something rotten in them." I definitely agree with that civet and ambergris smell unpleasant, so it's likely true if such ingredients are used with restraint.