You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-(3-bromo-4-ethoxy-5-methoxyphenyl)-4-(2,3-dimethoxyphenyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole;hydrochloride into molecular formula.
user
C28H30BrClN2O4
assistant