Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: After Chu died in 719 and Yuan died in 729, Emperor Xuanzong engaged Chen Xilie and F*ng Ch*oy*n (***) to frequently explain the Tao Te Ching and the I Ching to him. Chen was initially promoted to be M*sh* Sh*oji*n (****), the deputy head of the Palace Library, and also succeeded Zhang Jiuling in heading the imperial institute J*xi*n Institute (***). Whenever Emperor Xuanzong was writing something of importance, Chen would assist _him_ in drafting the language. <sep>, Pronoun: him

Emperor Xuanzong