Rule for autoassign request

Rule for autoassign request

Hi ALL
We have fresh instance in Cloud.
Company has many sites (100+) and 5 Departments. Each Department is located in many sites.
I need create rules:
1) if Requester is from Department-1 - assign request to some group-1/technicians 
2) if Requester is from Department-2 - assign request to some group-2/technicians 
.....
5) if Requester is from Department-5 - assign request to some group-5/technicians 

I try do it via Business Rules for SR with Department as criteria, but i need select 100+ Department (for each site) and its very hard (

How i can create one criteria (like Departament-1*) that will include all sites ?

 Maybe I can do via other way?

                  New to ADSelfService Plus?