You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-N-(4-ethylphenyl)-3-(4-hexoxy-3-methoxyphenyl)-N-(4-methylphenyl)sulfonylprop-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H37NO5S
assistant