Parse this person name:

Valero Acero, 1461-1538, flourished 1490-1501
user
first_name: Valero
last_name: Acero
middle_names: []
temporal:
- start: 1461
  end: 1538
  type: life_span
- start: 1490
  end: 1501
  type: flourished
titles: []
extra_info: []
assistant