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 4,6-dibromo-9,15-dioxo-8-oxa-12,16-dithia-14-azatetracyclo[8.7.0.02,7.013,17]heptadeca-2(7),3,5,13(17)-tetraene-11-carboxylate ?
user
C14H6Br2NO5S2-
assistant