You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S,5R)-7-oxo-2-(piperidine-1-carbonyl)-1,6-diazabicyclo[3.2.1]octan-6-yl] hydrogen sulfate is the IUPAC name of a molecule. Please give its molecular formula.
user
C12H19N3O6S
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