Havdala and no regular Besomim Available

If you do not have regular Besomim( like Cloves or Cinnamon) for Havdala, can you use, for example, a deliciously smelling grapefruit.
And what bracha would you make on it?
Hanoisein Reich Tov Beperois. (216:2) or…
Bore Mini besomin( As is the regular cuustom for Havdala)

Abie