You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(Z)-4-[4-[2-(dimethylamino)ethoxy]phenyl]-1-hydroxy-3,4-diphenylbut-3-en-2-yl] sulfamate by IUPAC nomenclature, provide its molecular formula.
user
C26H30N2O5S
assistant