You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[(E)-3-[(8E,11E,14E)-heptadeca-8,11,14-trienoyl]oxy-2-[[(Z)-octadec-11-enoyl]amino]hexadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C56H104N2O7P+
assistant