Parse this person name:

جعفر مهنا (1349-1396, flourished 1371-1381)
user
first_name: جعفر
last_name: مهنا
middle_names: []
temporal:
- start: 1349
  end: 1396
  type: life_span
- start: 1371
  end: 1381
  type: flourished
titles: []
extra_info: []
assistant