You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[(1-hydroxy-3-methylbutan-2-yl)amino]-1-oxopropan-2-yl]-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H27N3O6S
assistant