SSRI antidepressants, amphetamines, MDMA, psilocybin, LSD, ecstasy, cocaine and mescaline....
My money’s on the SSRIs or the coke.
You forgot the belladonna alkaloids, atropine, scopolamine and hyoscyamine. That would explain the dry mouth. Maybe she was taking it as a prophylaxis against Novochok?
She probably always does coke when “performing” and this was just another performance for her.
Ritalin??