Parse this person name:

Demetrio Expósito (1417-1469, flourished 1433-1445)
user
first_name: Demetrio
last_name: Expósito
middle_names: []
temporal:
- start: 1417
  end: 1469
  type: life_span
- start: 1433
  end: 1445
  type: flourished
titles: []
extra_info: []
assistant