Complex sentence: The inaugural exhibit in the new space, which opened in January 2018, is called "no. NOT EVER" and is a multidisciplinary and video-based exploration of "the rise of white nationalism" in America.
Split into simpler sentences: The inaugural exhibit in the new space entitled "no. NOT EVER" opened in January 2018. The exhibit is a multidisciplinary and video-based exploration of "the rise of white nationalism" in America.