*The "antidote" seems to have been deliberately designed to counteract another chemical. The antidote seems to undo the effects of this mystery other chemical. It is unknown whether this chemical is harmful or helpful, or what the side effects of absorbing it are*
An Enlistee bent over a microscope grumbles.
"This makes me worry."
Another Enlistee, carefully mixing the antidote with other chemicals to see its reaction, responds.
"How come?"
"What the hell is this an antidote for? Are you seriously not concerned?"
"Not particularly."
"Whatever... Here you go, Mangrove."
Mangrove is handed a sample of the antidote, and a handwritten note. He reads the note, sticks it in his pocket, and leaves. The Resistance now has a vial of the antidote, which they likely can reverse engineer and replicate, should they ever need it.