You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-[4-(difluoromethoxy)phenyl]-N-[2-(thiophen-3-ylmethylsulfanyl)ethyl]prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H17F2NO2S2
assistant