The outpatient clinic and lab both point in the same direction, but where did that batch of drugs come from? The documents in the pharmacy's back room should be the final piece of the puzzle.

The outpatient clinic and the lab both point the same way, but where did that batch of drugs come from? The next thing the machine wants is the Drug Distribution Slip, which records how much came in and where from. A slip like that wouldn't be left lying around, so it is most likely locked in the hospital's Safe. Once you bring it back, press "Upload" on the recorder as before.