You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[(2R,5R)-2-[4-(dimethylamino)phenyl]-1,3-oxazolidin-3-ium-5-yl]methylsulfanyl]-N-(2-fluorophenyl)-1,3,4-thiadiazol-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H23FN5OS2+
assistant