You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-[[5-[5-(dithiolan-3-yl)pentanoylamino]-4-oxopentanoyl]amino]-N-(2-hydroxyethyl)-4-oxopentanamide ?
user
C20H33N3O6S2
assistant