Parse this person name:

Sergei Geisel (1649-1719, flourished 1672-1699)
user
first_name: Sergei
last_name: Geisel
middle_names: []
temporal:
- start: 1649
  end: 1719
  type: life_span
- start: 1672
  end: 1699
  type: flourished
titles: []
extra_info: []
assistant