Parse this person name:

Agathe Mercier (1850-1892, flourished 1875-1887)
user
first_name: Agathe
last_name: Mercier
middle_names: []
temporal:
- start: 1850
  end: 1892
  type: life_span
- start: 1875
  end: 1887
  type: flourished
titles: []
extra_info: []
assistant