Parse this person name:

Sem Corstiaens, 1297-1360, flourished 1327-1345
user
first_name: Sem
last_name: Corstiaens
middle_names: []
temporal:
- start: 1297
  end: 1360
  type: life_span
- start: 1327
  end: 1345
  type: flourished
titles: []
extra_info: []
assistant