'How to get Only selected node in Antd Tree

I'm using Antd and I want to create a second Tree with all Checked nodes in the First Tree, Take a look here please

When i click on the Validate button, a new Tree Shouls be showed and contain only selected fields in the parent one. How Can i Achieve it ? Code : https://codesandbox.io/s/modern-browser-glh4n?file=/index.js

Thanks!

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