You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-(4-bromophenyl)-3-(3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl)-N-(3-hydroxypyridin-2-yl)propanamide .
user
C23H20BrN3O4
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