Complex sentence: The city sold the building for $1.5 million in 1998 to a developer who wanted to fill it with condominiums, renamed it Centennial Tower and sold it to another developer.
Split into simpler sentences: The city sold the building for $1.5 million in 1998 to a developer who planned to convert it to condominiums. They renamed it "Centennial Tower" and sold it to another developer.