You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-[2-[(1S,2S,5R)-6,6-dimethyl-4-oxo-2-bicyclo[3.1.1]heptanyl]-3-hydroxy-5-(2-methyl-8-nitrooxyoctan-2-yl)phenoxy]-2-oxoethyl]-trimethylazanium;iodide by IUPAC nomenclature, provide its molecular formula.
user
C29H45IN2O7
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