Weird Air Conditioner smell?

I have a window unit air conditioner. I've been using it for a couple years sparingly with no issues, usually at the same temp (72). Today, I turned the temp down to 70 and noticed that the room wasn't cooling fast enough becuase the vent panels were closed/pointing to the side instead of straight. I... show more I have a window unit air conditioner. I've been using it for a couple years sparingly with no issues, usually at the same temp (72).

Today, I turned the temp down to 70 and noticed that the room wasn't cooling fast enough becuase the vent panels were closed/pointing to the side instead of straight.

I opened the panels so that the air blows straight.

Now I'm smelling a weird smell that I can't describe (sort of gassy or rubbery).

What could this smell be? Should I be worried?
Update: Nevermind. Should have asked on Reddit
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