1. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
2. Departments of Chemistry and Chemical & Biomolecular Engineering, National University of Singapore, Singapore 119077, Singapore
3. School of Computer Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
4. Singapore MIT Alliance for Research and Technology, #05-09, Innovation Wing, 1 Create Way, Singapore 138602, Singapore
5. Center for Polymers and Organic Solids, Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
6. Institute for Infocomm Research, Artificial Intelligence, Analytics and Informatics, Agency for Science, Technology and Research, Singapore 138632, Singapore