this synth from "After You" by Kanye West (unreleased song)

(first of all, sorry by any english errors, not my first language lol)

how do I remake this synth from "After You" by Ye?

I currently using Serum, so it would be EXTREMELY helpful if someone replicate it through serum too

https://youtu.be/5MQwZHKring?si=_TLSXg99lNMBv_7j

it starts on 00:11

sorry, idk the type of synth (I don't even know if its just one synth lol), but thanks in advance