You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(Z)-2-[[(8E,11E,14E)-heptadeca-8,11,14-trienoyl]amino]-3-[(E)-octacos-19-enoyl]oxyhexadec-4-enyl] 2-(trimethylazaniumyl)ethyl phosphate into its molecular formula.
user
C66H123N2O7P
assistant