You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-N-(3-butoxypropyl)-2-cyano-3-[(1,1-dioxothiolan-3-yl)-methylamino]prop-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H27N3O4S
assistant