For 10 points, name this chancellor under Qin Shi Huangdi.
This man chose to pursue a political career after he observed that barnhouse rats were better fed than their outhouse counterparts, which he understood to mean that people of different social classes had differing values. Partly because he was a foreigner himself from the state of Chu, this man prevented the expulsion of all foreigners by explaining the many benefits of having foreigners, including the "sultry girls of Zhao." With the eunuch (*) Zhao Gao, this man forged a letter ordering crown prince Fusu to commit suicide and naming Huhai as the successor to the throne. This non-emperor proposed many unifying reforms, such as standardizing systems of weights, coinage, and writing, and suppressed dissent by burning all books not related to medicine or agriculture and burying hundreds of Confucian scholars alive. For 10 points, name this chancellor under Qin Shi Huangdi.
This man chose to pursue a political career after he observed that barnhouse rats were better fed than their outhouse counterparts, which he understood to mean that people of different social classes had differing values.
Li Si [prompt on just Li] 