You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[carboxy-[3-[(Z)-pentadec-9-enoyl]oxy-2-[(12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-12,15,18,21,24,27-hexaenoyl]oxypropoxy]methoxy]ethyl-trimethylazanium by IUPAC nomenclature, provide its molecular formula.
user
C55H94NO8+
assistant