You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2Z)-2-[(3-bromo-2-hydroxy-5-nitrophenyl)methylidene]hydrazinyl] 2-(5-amino-1,3,4-thiadiazol-2-yl)acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C11H9BrN6O5S
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