You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(13Z,16Z)-docosa-13,16-dienoyl]oxy-3-nonanoyloxypropyl] (12Z,15Z,18Z,21Z,24Z,27Z)-triaconta-12,15,18,21,24,27-hexaenoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C64H108O6
assistant