You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 8-acetyl-1-(4-bromophenyl)-5,7-dihydroxy-3,4a,6-trimethyl-[1]benzofuro[3,2-f]indazol-4-one ?
user
C24H19BrN2O5
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