Parse this person name:

Colin van 't Riet, 1851-1916, flourished 1868-1885
user
first_name: Colin
last_name: van 't Riet
middle_names: []
temporal:
- start: 1851
  end: 1916
  type: life_span
- start: 1868
  end: 1885
  type: flourished
titles: []
extra_info: []
assistant