You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[(4Z,7Z,10Z,13Z)-hexadeca-4,7,10,13-tetraenoyl]oxy-2-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl]oxypropyl] triacontanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C69H116O6
assistant