You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-(2-methylprop-2-enoyloxy)-3-[(E)-pent-3-enoxy]propan-2-yl] 2-(trimethylazaniumyl)ethyl phosphate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H32NO7P
assistant