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 3-[[(3S)-3-aminopyrrolidin-1-yl]methyl]-5,10-dihydroxy-2-methylnaphtho[2,3-f][1]benzofuran-4,11-dione ?
user
C22H20N2O5
assistant