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-[5-[1,1-difluoro-2-(6-nitrooxyhexoxy)-2-oxoethyl]-2-[(1R,2S,5R)-6,6-dimethyl-4-oxo-2-bicyclo[3.1.1]heptanyl]-3-hydroxyphenoxy]-2-oxoethyl]-trimethylazanium into molecular formula.
user
C28H39F2N2O9+
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