Parse this person name:

سعد الشايع (1758-1821, flourished 1781-1807)
user
first_name: سعد
last_name: الشايع
middle_names: []
temporal:
- start: 1758
  end: 1821
  type: life_span
- start: 1781
  end: 1807
  type: flourished
titles: []
extra_info: []
assistant