Parse this person name:

Andrey Carsten, 1742-1819, flourished 1758-1770
user
first_name: Andrey
last_name: Carsten
middle_names: []
temporal:
- start: 1742
  end: 1819
  type: life_span
- start: 1758
  end: 1770
  type: flourished
titles: []
extra_info: []
assistant