Parse this person name:

Ottmar Boucsein (1746-1817, flourished 1761-1776)
user
first_name: Ottmar
last_name: Boucsein
middle_names: []
temporal:
- start: 1746
  end: 1817
  type: life_span
- start: 1761
  end: 1776
  type: flourished
titles: []
extra_info: []
assistant