You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3S,4S)-3-ethoxy-4-(3-fluoro-4-hydroxyphenyl)-4-(naphthalen-1-ylcarbamoyloxy)butyl] 2-sulfanylacetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26FNO6S
assistant