Parse this person name:

Denise Brown (1801-1881, flourished 1831-1841)
user
first_name: Denise
last_name: Brown
middle_names: []
temporal:
- start: 1801
  end: 1881
  type: life_span
- start: 1831
  end: 1841
  type: flourished
titles: []
extra_info: []
assistant