Complex sentence: Became affiliated with the Sophie Davis School of Biomedical Education of the City College of New York in 2015, with plans to become the teaching hospital of the newly established, CUNY School of Medicine in 2016.
Split into simpler sentences: Became affiliated with the Sophie Davis School of Biomedical Education of the City College of New York in 2015. Will become the teaching hospital of the newly established, CUNY School of Medicine in 2016.