* Corresponding authors

^a Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, P. R. China
E-mail: liuhan@hku.hk, xuechenl@hku.hk

^b State Key Lab of Chemical Biology and Drug Discovery and the Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, P. R. China
E-mail: sheng.chen@polyu.edu.hk

^c Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong Province, P. R. China
E-mail: lipf@sustech.edu.cn

^d Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Ocean University China, Qingdao 266237, People's Republic of China