A Triple‐Acceptor Motif for Chalcogen‐Bond‐Directed Circular Assemblies that Enhance Singlet Oxygen Generation. - Che, Xiaozhen; Sun, Lishan; Liao, Chenglong; Ji, Hongwei; Gong, Yanjun; Che, Yanke; Zhao, Jincai (Angewandte Chemie International Edition, 2026)