I was trying to figure out non directional algorithm for extracting nested parenthesis hierarchy

Basically we start from:

([] [])([] [])

Then we take walk forward looking for ( [ { <

And without using the collider principle

We walk backward looking for > } ] )

Then we substring and reverse to somehow extract non-directional hierarchy, but I have not figure out how yet, anyway, chat gpt appears to be unable to reverse

][])([][

here is the result from online string reversal utility

[ ][()][ ]

What's the political implication of chat gpt not being able to perform and hallucinating on fundamental tasks