Easy decision — ban Renoir works (2-7)
I believe the answer is:
no-brainer
'easy decision' is the definition.
(I've seen this in another clue)
'ban renoir works' is the wordplay.
'works' indicates anagramming the letters (work can mean to twist or convulse).
'ban'+'renoir'='banrenoir'
'banrenoir' is an anagram of 'NO-BRAINER'.
(Other definitions for no-brainer that I've seen before include "Something involving little or no mental effort" , "Something requiring little or no mental effort" , "Obvious choice" , "Something requiring little thought" , "An easy decision" .)