A denial isn't the end. You have 60 days to file a Request for Reconsideration...

https://bizzmarkblog.com/how-do-i-explain-brain-fog-and-medication-side-effects-to-the-ssa/

A denial isn't the end. You have 60 days to file a Request for Reconsideration (SSA-561). Don't just list medical diagnoses. Focus on your functional limits instead. Show exactly how your symptoms stop you from working an eight-hour shift