You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[hydroxy-[2-[(25Z,28Z,31Z,34Z,37Z)-tetraconta-25,28,31,34,37-pentaenoyl]oxy-3-[(16Z,19Z,22Z)-triaconta-16,19,22-trienoyl]oxypropoxy]phosphoryl]oxyethyl-trimethylazanium by IUPAC nomenclature, provide its molecular formula.
user
C78H141NO8P+
assistant