Parse this person name:

Cécile Gros, 1811-1865, flourished 1831-1860
user
first_name: Cécile
last_name: Gros
middle_names: []
temporal:
- start: 1811
  end: 1865
  type: life_span
- start: 1831
  end: 1860
  type: flourished
titles: []
extra_info: []
assistant