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-(1,1-dideuterio-2,2-dimethylpropyl)-2-[2,5-dimethyl-4-(trideuteriomethyl)phenyl]-1-methyl-5-(trideuteriomethyl)pyridin-1-ium;4-(1,1-dideuterio-2-methylpropyl)-1-methyl-2-[2-methyl-4-(trideuteriomethyl)phenyl]pyridin-1-ium;4-(1,1-dideuterio-2-methylpropyl)-1-methyl-2-[2-methyl-4-(trideuteriomethyl)phenyl]-5-(trideuteriomethyl)pyridin-1-ium;1,4-dimethyl-2-[2-methyl-4-(trideuteriomethyl)phenyl]-5-(1,1,1,2-tetradeuteriopropan-2-yl)pyridin-1-ium;2-(2,5-dimethylphenyl)-1,5-dimethylpyridin-1-ium;2-(2,5-dimethylphenyl)-1,4,5-trimethylpyridin-1-ium .
user
C107H142N6+6
assistant