You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(E)-1-(1,3-dihydroxypentadecan-2-ylamino)-1-oxohenicos-9-en-3-yl] (9E,11E)-henicosa-9,11-dienoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C57H107NO5
assistant