You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[[3-[(9Z,12Z)-heptadeca-9,12-dienoxy]-2-[(6Z,9Z,12Z,15Z,18Z,21Z)-tetracosa-6,9,12,15,18,21-hexaenoyl]oxypropoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium .
user
C49H85NO7P+
assistant