You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [1-carboxy-3-[3-dodecanoyloxy-2-[(9E,11E,13E)-henicosa-9,11,13-trienoyl]oxypropoxy]propyl]-trimethylazanium .
user
C43H78NO7+
assistant