You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (E)-N-(3,4-dihydroxyphenyl)-2-[(E)-2-(methylideneamino)-2-[(4-propan-2-ylphenyl)methylsulfonylamino]ethenyl]but-2-enamide .
user
C23H27N3O5S
assistant