You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyl]oxy-3-nonanoyloxypropyl] (15Z,18Z,21Z,24Z,27Z,30Z,33Z)-hexatriaconta-15,18,21,24,27,30,33-heptaenoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C70H112O6
assistant