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 (4E)-10-bromo-4-[[5-[3-(trifluoromethyl)phenyl]furan-2-yl]methylidene]-5-thia-2,7,12-triazatricyclo[6.4.0.02,6]dodeca-1(8),6,9,11-tetraen-3-one .
user
C20H9BrF3N3O2S
assistant