Parse this person name:

Derek Jackson (1297-1370, flourished 1312-1341)
user
first_name: Derek
last_name: Jackson
middle_names: []
temporal:
- start: 1297
  end: 1370
  type: life_span
- start: 1312
  end: 1341
  type: flourished
titles: []
extra_info: []
assistant