You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-3-[3-(3,5-dimethylphenyl)-1,2,4-triazol-1-yl]-N'-(1,1-dioxothiolan-3-yl)prop-2-enehydrazide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H21N5O3S
assistant