What drug did thanos and the other guy take?

When he said it was the new kind I immediately thought of fentanyl. But they were too energetic and not sleepy for it to be. I’m guessing it was molly but probably a different strain and maybe laced Molly.

When he said it was the new kind I immediately thought of fentanyl. But they were too energetic and not sleepy for it to be. I’m guessing it was molly but probably a different strain and maybe laced Molly.