1. Skaggs Doctoral Program in the Chemical and Biological Sciences, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
2. Departments of Pharmaceutical Sciences, Chemistry, & Biomedical Engineering, University of California, Irvine, 101 Theory Suite 100, Irvine, California 92617, United States
3. Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States