You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,6-dimethyl-4-(1-methylpyridin-1-ium-2-yl)phenanthridine;4-[4-(2,2-dimethylpropyl)-1-methylpyridin-1-ium-2-yl]-3,6-dimethylphenanthridine;4-(1,4-dimethylpyridin-1-ium-2-yl)-3,6-dimethylphenanthridine;4-(1,5-dimethylpyridin-1-ium-2-yl)-3,6-dimethylphenanthridine;3,6-dimethyl-4-(1,4,5-trimethylpyridin-1-ium-2-yl)phenanthridine is the IUPAC name of a molecule. Please give its molecular formula.
user
C114H113N10+5
assistant