You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-aminoethyl [(E)-3-hydroxy-2-[[(Z)-3-hydroxyhexacos-11-enoyl]amino]heptadec-4-enyl] hydrogen phosphate is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H89N2O7P
assistant