You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[[(2S)-2-heptadecanoyloxy-3-[(5E,8E,11E,14E)-tetracosa-5,8,11,14-tetraenoyl]oxypropoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium ?
user
C49H91NO8P+
assistant