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 ethane;N-[4-[(3-imino-6,7-dimethoxy-4-propan-2-ylquinoxalin-2-yl)amino]butyl]-3-methylpentanamide;molecular hydrogen .
user
C25H47N5O3
assistant