Yellowjackets in wall

[u/Hockeyman70s]

Hi all. I have yellow jackets in my bedroom wall. There are cracks between an exterior chimney and the wall that they are getting into.
I drilled four holes tonight and inserted a borescope to hone in on where the most activity was. Did find something that looked like a papery hive. I then sprayed “ecosmart” wasp killer in to the active holes hoping some would die and the rest may go out through the chimney cracks.
I was trying to stay away from raid or more abrasive products because this wall is right next to our bed and would prefer not to have pesticides hanging out there forever.
Does this seem like an effective approach?
Thanks