1. Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
2. USC School of Pharmacy, University of Southern California, Los Angeles, California 90089, United States
3. Ginsburg Institute for Biomedical Therapeutics, University of Southern California, Los Angeles, California 90089, United States
4. Keck School of Medicine, Viterbi School of Engineering, and Roski Eye Institute, University of Southern California, Los Angeles, California 90033, United States