You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[(2R,6S)-4-[1-[bromo(iodo)methyl]sulfanylethenyl]-2,6-dimethylpiperazin-1-yl]ethanol into molecular formula.
user
C11H20BrIN2OS
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