You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[42-[[(E)-3-hydroxy-1-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxynonadec-4-en-2-yl]amino]-42-oxodotetracontyl] (Z)-pentadec-9-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C82H157NO10
assistant