You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(2S,5S)-5-heptadecyl-1,4-dioxan-2-yl]-2-[hydroxy(methylperoxy)phosphoryl]oxyethyl]-trimethylazanium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H57NO7P+
assistant