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 6-(aziridin-1-yl)-3-hydroxy-4,7-dimethyl-2,3-dihydro-1H-cyclopenta[b]indole-5,8-dione .
user
C15H16N2O3
assistant