You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [2-bromo-4-[(3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl)iminomethyl]-6-methoxyphenyl] acetate ?
user
C19H17BrN2O5
assistant