Parse this person name:

Alcides Aznar, 1797-1850, flourished 1820-1845
user
first_name: Alcides
last_name: Aznar
middle_names: []
temporal:
- start: 1797
  end: 1850
  type: life_span
- start: 1820
  end: 1845
  type: flourished
titles: []
extra_info: []
assistant