You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[3-(6-bicyclo[3.1.1]heptanyl)phenyl]-1-methyl-2-(2-methylphenyl)pyridin-1-ium;4-[4-(3-bicyclo[3.3.3]undecanyl)phenyl]-1-methyl-2-(2-methylphenyl)pyridin-1-ium;4-[3-(6-deuterio-6-bicyclo[3.1.1]heptanyl)phenyl]-1-methyl-2-(2-methylphenyl)pyridin-1-ium;4-[4-(6-deuterio-6-bicyclo[3.1.1]heptanyl)phenyl]-1-methyl-2-(2-methylphenyl)pyridin-1-ium .
user
C108H120N4+4
assistant