Is it possible to make Scarecrow's intoxin?

Kopi luwak (Malay pronunciation: [ˈkopi ˈlu.aʔ]), or civet coffee, is the world's most expensive and coffee. It is made from the beans of coffee berries which have been eaten by the Asian Palm Civet (Paradoxurus hermaphroditus) and other related civets, then ped through its digestive tract. A civet eats the berries for their fleshy pulp. In its stomach, proteolytic enzymes seep into the beans, making shorter peptides and more free amino acids. Ping through a civet's intestines the beans are then defecated, keeping their shape. After gathering, thorough washing, sun drying, light roasting and brewing, these beans yield an aromatic coffee with much less bitterness, widely noted as the most expensive coffee in the world. Using this coffee, brewed through a filter of seaweed,combine three (3) aspirins.This would be guaranteed to reach the toxicity requested by this asker/ It is also fast-acting.