Kill them with your success

Tanish is the president of the chemistry club at his school. He considers everyone who doesn't like chemistry as his enemy. After years of research, he has invented a lethal poison, which he named *success*. Now Tanish plans to kill all his enemies with his *success*. *Success* is extremely deadly and is untraceable in small concentrations. Tanish has $\text{N}$ flasks lying on the shelf of his l