Introduction . In both live organisms and artificial systems, macrocycles are crucial to the construction of self-assembling structures1 , 2 , 3 , 4 , 5 , 6. Responses to environmental stimuli are essential for changing these systems’ particular architecture and associated features7 , 8 , 9 , 10 , 11 , 12. The stimuli may include light7 , 13 , 14 , 15 , 16, pH value17 , 18 , 19, guests (ion, solvents, small organic molecules, etc.) ...