Parse this person name:

Blas Arellano, 1764-1836, flourished 1786-1804
user
first_name: Blas
last_name: Arellano
middle_names: []
temporal:
- start: 1764
  end: 1836
  type: life_span
- start: 1786
  end: 1804
  type: flourished
titles: []
extra_info: []
assistant