IUPAC RULE IS TO WRITE SUBSTITUENTS ALPHABETICALLY THEREFORE IT WOULD HAVE BEEN THE FIRST ONE BUT YOU MADE SLIGHT MISTAKE THE CORRECT NAMES ARE:-
2-(cyclo penta-1', 4'- dienyl) propan-2-ol [most detailed]
or 2-(cyclo penta-1, 4- dienyl) propan-2-ol [without ']
or 2-(1,4-cyclo...