You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(2R,3R,4S,5R,6R)-3,4,5,6-tetrakis[(2-bromo-2-methylpropanoyl)oxy]oxan-2-yl]methyl 2-bromo-2-methylpropanoate by IUPAC nomenclature, provide its molecular formula.
user
C26H37Br5O11
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