Parse this person name:

Casemiro Rios, 1797-1859, flourished 1820-1841
user
first_name: Casemiro
last_name: Rios
middle_names: []
temporal:
- start: 1797
  end: 1859
  type: life_span
- start: 1820
  end: 1841
  type: flourished
titles: []
extra_info: []
assistant