You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2R)-2-(4-fluorophenyl)morpholin-4-yl]-2-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H16FN3O2S2
assistant