1. Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
2. Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
3. National High Magnetic Field Laboratory and McKnight Brain Institute, University of Florida, Gainesville, Florida 32610, United States
4. Department of Chemistry and Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, United States