You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(5Z,8Z,11Z,14Z,17Z,20Z,23Z)-hexacosa-5,8,11,14,17,20,23-heptaenoyl]oxy-3-[(7Z,10Z,13Z)-hexadeca-7,10,13-trienoyl]oxypropyl] (18Z,21Z,24Z,27Z)-triaconta-18,21,24,27-tetraenoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C75H118O6
assistant