 It has to be destroyed after it has done its job. There are three ways, two ways to do it. One is, of course, there's another chemical called, well, I won't go into it. There's a chemical that destroys it, okay? Or the same chemical that was released, the nerve that released it, picks it back up, sucks it back up like a suction. Now, they found out that if you block the destruction of the chemical,