Parse this person name:

Ricardo Alcázar, 1726-1771, flourished 1752-1766
user
first_name: Ricardo
last_name: Alcázar
middle_names: []
temporal:
- start: 1726
  end: 1771
  type: life_span
- start: 1752
  end: 1766
  type: flourished
titles: []
extra_info: []
assistant