Parse this person name:

Aaron Mercks (1845-1920, flourished 1861-1882)
user
first_name: Aaron
last_name: Mercks
middle_names: []
temporal:
- start: 1845
  end: 1920
  type: life_span
- start: 1861
  end: 1882
  type: flourished
titles: []
extra_info: []
assistant