I may sound like a homer, but I wouldn't give up Brown and I don't think Hayward would garner much interest.
If there was any way to do something like Kemba/Smart/14 for Booker/Rubio (trying to make contracts work), then I would would pursue that; but Kemba's stock seems to be down, so I don't imagine that really gets us close. Of course we have other picks and Romeo/TL, as well.