If you need to make the whole text title case you can do like this
![Clasicwebtools_0-1713121324660.png Clasicwebtools_0-1713121324660.png](/t5/image/serverpage/image-id/33924i5DB6055E37E68DD7/image-size/medium?v=v2&px=400)
If you have to extract a specific text and make that only UPPER() it's a bit harder. I would try to convert that with regex in the process to sending to the other system, maybe you can add some script to transform.