You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-bromo-2-[(Z)-[(2-quinolin-8-yloxyacetyl)hydrazinylidene]methyl]phenyl] 4-nitrobenzenesulfonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H17BrN4O7S
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