It's a message from the Kuala Lumpur Police Department:
and the equation is as the above photo shows
Cocacola + Ajinamoto = Drowsiness + Excitement in Victims
and also, it has been proven, when the two are mixed together they can be used to rape ladies.
It was a very cheap and easy method to cause drowsiness, and Canny Ong died because of this method.
So girls, if whomever, wanting you to receive a can or a bottle of Coca Cola, please I warn you: