Parse this person name:

Robert Mcclain (1697-1743, flourished 1720-1736)
user
first_name: Robert
last_name: Mcclain
middle_names: []
temporal:
- start: 1697
  end: 1743
  type: life_span
- start: 1720
  end: 1736
  type: flourished
titles: []
extra_info: []
assistant