Parse this person name:

Cynthia Cohen (1790-1846, flourished 1814-1829)
user
first_name: Cynthia
last_name: Cohen
middle_names: []
temporal:
- start: 1790
  end: 1846
  type: life_span
- start: 1814
  end: 1829
  type: flourished
titles: []
extra_info: []
assistant