1 Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China.
2 Stratingh Institute for Chemistry, University of Groningen, Groningen, The Netherlands. b.l.feringa@rug.nl.
3 SCNU-UG International Joint Laboratory of Molecular Science and Displays, National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou, China. b.l.feringa@rug.nl.
4 Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China. zhaodp5@mail.sysu.edu.cn.