I mean ehhhhh. It’s not impossible, but LSD definitely seems the most probable if we assume this is a chemistry reference (the most compelling alternative idea to LSD imo is that it could be erroneous human pattern recognition). LSD is synthesized from ergotamine and has an ergoline structure, and of the family of lysergamides that look similar, LSD clearly fits the best given its popularity and the way the carbonyl group lines up with that bit of shelf going off to the top-right.

(Please take that with a grain of salt; I’m not a chemist.)