You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(12Z,15Z)-30-[[(E)-1,3-dihydroxyhexacos-4-en-2-yl]amino]-30-oxotriaconta-12,15-dienyl] (Z)-nonadec-9-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C75H141NO5
assistant