HAVE PROBLEM IN BLACK PLAGUE-EXIMATION ROOM

[Agent47]

I HAVE BIG PROBLEM IN EX ROOM
I PICK BIG GLASS AND BROMINE AND OTHER CHEMICALS
BUT CAN ANYONE HELP ME ABOUT THESE BUTTONS ON MACHINE
CAN ANYONE TELL ME

[Mehis]

You need to press them in certain order. You need to go like the note says. How the chemicals are listed and remember that the buttons are on some points switched. E.g, instead of 1 2 3, it can be 1 3 2...