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 [(6Z,8Z)-18-[[(E)-1,3-dihydroxyicos-4-en-2-yl]amino]-18-oxooctadeca-6,8-dienyl] (Z)-pentadec-9-enoate .
user
C53H97NO5
assistant