You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(2-chlorophenyl)methylsulfanyl]-N-(2-thiophen-2-ylethyl)-1,3,4-thiadiazol-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H14ClN3S3
assistant