I wouldn't want to give up Jaylen, because I think he will be an effective defender against Lebron in the future, along with George's length , they could make Lebron work real hard.
I would do Zeller,Jae, ,Smart, brk18
Leaves you with
IT. Rozier
AB. Fultz
Hayward. Jaylen
George. Jerebko?
Horford. Zicic
Plus whatever ring chasers that are out there.