Parse this person name:

Antoine Grégoire (1323-1397, flourished 1348-1377)
user
first_name: Antoine
last_name: Grégoire
middle_names: []
temporal:
- start: 1323
  end: 1397
  type: life_span
- start: 1348
  end: 1377
  type: flourished
titles: []
extra_info: []
assistant