You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[(1R)-3,4-dihydro-1H-isochromen-1-yl]methylsulfanyl]-5-ethylsulfanyl-1,3,4-thiadiazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H16N2OS3
assistant