You need the bottom MOSFET so you have a path to ground on the oposite half cycle.
Use 12 of these caps in parallel for the resonant circuit.
https://www.mouser.com/ProductDetail/Cornell-Dubilier/940C30S47K-F/?qs=gSIQ2CbtXsYGKLy6248XRQ==
Make the matching inductor 50Uh.
You can use a single .47 Ufd of the same type for the second cap.
Try out the calculator for the inductors and let us know what you come up with.
The system is a few hundred watts the fets are a very small part of that power loss.