You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2,3-dimethyl-5-[2,4,6-tri(propan-2-yl)phenyl]phenyl]-1-methyl-6-propan-2-ylquinoxalin-1-ium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C35H45N2+
assistant