Parse this person name:

Alexandra Llorens, 1857-1937, flourished 1877-1900
user
first_name: Alexandra
last_name: Llorens
middle_names: []
temporal:
- start: 1857
  end: 1937
  type: life_span
- start: 1877
  end: 1900
  type: flourished
titles: []
extra_info: []
assistant