Parse this person name:

Marc Long, 1204-1257, flourished 1223-1242
user
first_name: Marc
last_name: Long
middle_names: []
temporal:
- start: 1204
  end: 1257
  type: life_span
- start: 1223
  end: 1242
  type: flourished
titles: []
extra_info: []
assistant