Parse this person name:

طاهر الحجار, 1777-1857, flourished 1794-1823
user
first_name: طاهر
last_name: الحجار
middle_names: []
temporal:
- start: 1777
  end: 1857
  type: life_span
- start: 1794
  end: 1823
  type: flourished
titles: []
extra_info: []
assistant