Parse this person name:

ليث الدباغ (1786-1857, flourished 1808-1834)
user
first_name: ليث
last_name: الدباغ
middle_names: []
temporal:
- start: 1786
  end: 1857
  type: life_span
- start: 1808
  end: 1834
  type: flourished
titles: []
extra_info: []
assistant