Parse this person name:

Petrucelli, Piero Margherita Michelotto Galasso Ivan Margherita Michelotto Galasso Ivan.
user
first_name: Piero
last_name: Petrucelli
middle_names:
- Margherita
- Michelotto
- Galasso
- Ivan
temporal: []
titles: []
extra_info: []
assistant