@KozyBobz I searched every room again, first going to rooms with more than one floor and/or rooms without a main floor, then just going into every room and trying every object I have not tried yet. Nothing worked. I have been searching for probably around a week and a half now lol :(

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=3459626857 (Every prop from every room following your hint)

I am in agony.

i'll give you a second hint.
you need to "obtain, or seek to obtain, information about something".

ill give you a hint, the little blocks you need to bring here are somewhere indoors but not on the first floor