You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named ethane;2-methyl-1-(2-methylphenyl)isoquinolin-2-ium;2-methyl-3-(2-methylphenyl)isoquinolin-2-ium;3-methyl-4-(2-methylphenyl)quinazolin-3-ium;1-methyl-2-(2-methylphenyl)quinolin-1-ium;6-methyl-7-(2-methylphenyl)thieno[2,3-c]pyridin-6-ium is given. What is its corresponding molecular formula?
user
C102H137N6S+5
assistant