You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-ethyl-1-[5-(2-fluoro-3-methylphenyl)-1,3,4-thiadiazol-2-yl]propan-1-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H18FN3S
assistant