Parse this person name:

Natanael Y. G. Dora Cecilio Larrañaga, died 1855
user
first_name: Natanael
last_name: Larrañaga
middle_names:
- Y.
- G.
- Dora
- Cecilio
temporal:
- start: null
  end: 1855
  type: life_span
titles: []
extra_info: []
assistant