Parse this person name:

Derek Rivera, 1677-1726, flourished 1694-1721
user
first_name: Derek
last_name: Rivera
middle_names: []
temporal:
- start: 1677
  end: 1726
  type: life_span
- start: 1694
  end: 1721
  type: flourished
titles: []
extra_info: []
assistant