Which is the active masculine singular light-nūn form of يَتْرُكُ?

Emphatic Lām and the Heavy and Light Nūn Paradigms

• لَتَتْرُكَنْ
• لَيَتْرُكَنَّ
• لَيَتْرُكَنْ
• لَيُتْرَكَنْ