You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (5S,6R)-6-(2-acetamido-1-methoxy-3-methyl-1-oxopentan-3-yl)sulfanyl-5-hydroxynonadec-7-enoic acid .
user
C28H51NO6S
assistant