You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-ethyl-5-[(4-oxo-1,2,3-benzotriazin-3-yl)methylsulfanyl]-1,2,4-triazol-3-yl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H17N7O2S
assistant