You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 1-[[5-bromo-2-[(4-chloro-3-methylcyclohepta-1,3,5-trien-1-yl)methoxy]phenyl]methyl]-4-hydroxypiperidine-4-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27BrClNO4
assistant