Parse this person name:

Anthony Massey-Nielsen, 1720-1786, flourished 1740-1770
user
first_name: Anthony
last_name: Massey-Nielsen
middle_names: []
temporal:
- start: 1720
  end: 1786
  type: life_span
- start: 1740
  end: 1770
  type: flourished
titles: []
extra_info: []
assistant