After you take down all the enemies in the circular room, you then need to go near the box and press the Space key.
After a cut scene you will then be required to find the formula which Dr. Young has hidden in this circular hall.
Go in Detective Mode and go to the ground floor if you are not already there. You can see a door on the ground floor which previously had an electric field: if you are facing this door then look at your left hand side. You can clearly notice one book which is different than the others:
In detective mode, you can see Dr. Young finger prints on this book too. The formula is hidden inside this book.
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