You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1S,2R)-2-methylcyclohexyl]-2-[(5-phenacylsulfanyl-1,3,4-thiadiazol-2-yl)sulfanyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H23N3O2S3
assistant