5♦; You have 11 tricks in 6♦, 3♥, & 2♣. Partner is a favorite to have only 2♠ as 2362 and 2263 combined should be more probable than 3262. Perhaps my view is colored by my expectation after 2NT that he has no outside K or A so I do not expect Jxx Qx JT9xxx Qx or similar.