If the market below resolves YES, will the thoughts produced by the top chatbot be interpretable to humans? 

If that market resolves NO, this one will resolve to N/A.

A clear case for NO would be if the thoughts are encoded as vectors that don't correspond to natural language. A clear case for YES would be if the chatbot gives all of its reasoning in well-formed English. If the thoughts contain some steganography or obfuscation, but it's possible to understand the main thrust of the chatbot's reasoning, it would still count as YES.