You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance ethene;(E,4S,7R)-7-(1H-indol-3-ylmethyl)-9-methyl-8-oxo-4-(propan-2-ylamino)dec-5-enamide;tungsten .
user
C25H37N3O2W
assistant