You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule sodium;(E)-2-(2,1,3-benzothiadiazol-5-yl)-3-(cyclohexylmethyl)-4-(2,3-dihydro-1,4-benzodioxin-6-yl)-4-oxobut-2-enoate into molecular formula.
user
C25H23N2NaO5S
assistant