Troubleshooting Dynamic Key Reporting in CM360

Hey team, I'm attempting to extract a creative report in CM360. The client utilizes Dynamic Creative Optimization (DCO), where each placement is linked to a Dynamic Targeting Key. My issue is that 'Dynamic Key' doesn't appear as a dimension when generating the report. I have tried options like 'feed 1 reporting label' and 'Dynamic element 1', but none of these provide the exact dynamic targeting key. Am I overlooking something? Surely there's a solution out there!