Parse this person name:

Varela Enríquez, María Dolores M. O. Salud X., 1398-1473
user
first_name: María Dolores
last_name: Varela Enríquez
middle_names:
- M.
- O.
- Salud
- X.
temporal:
- start: 1398
  end: 1473
  type: life_span
titles: []
extra_info: []
assistant