1. Leidos, Inc., Abingdon, Maryland 21009, United States
2. U.S. Army Combat Capabilities Development Command Chemical Biological Center, 8198 Blackhawk Road, Aberdeen Proving Ground, Maryland 21010, United States
3. Departmentof Chemistry, Northwestern University, Evanston, Illinois 60208, United States
4. Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States