You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-amino-3-[hydroxy-[(2R)-3-[(E)-octadec-6-enoyl]oxy-2-[(E)-octadec-11-enoyl]oxypropoxy]phosphoryl]oxypropanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H78NO10P
assistant