You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[[3-[3-fluoro-4-[4-(2-phenylmethoxyacetyl)piperazin-1-yl]phenyl]-2-oxo-1,3-oxazolidin-5-yl]methyl]propanethioamide into molecular formula.
user
C26H31FN4O4S
assistant