You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-[(8Z,11Z,14Z,17Z,20Z,23Z)-hexacosa-8,11,14,17,20,23-hexaenoyl]oxy-3-icosoxypropoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium is the IUPAC name of a molecule. Please give its molecular formula.
user
C54H99NO7P+
assistant