Commercial property offer with lease contingency

[Cory Jones]

Has anyone had experience with making offers on commercial property with the contingency to find a lessee before purchase is required?

The situation is I have an interested party in leasing a commercial building for sale.  I am wanting to make an offer stating I will buy this property only if the said interested party agree to an X-month lease term.  How do I word this to protect me from having the owner go after the interested party I already have on my side?  The interested party would not sign an exclusive representation agreement with me.