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 2-[[2-[(11Z,14Z,17Z,20Z,23Z,26Z,29Z)-dotriaconta-11,14,17,20,23,26,29-heptaenoyl]oxy-3-[(16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-16,19,22,25,28,31-hexaenoyl]oxypropoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium .
user
C74H123NO8P+
assistant