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 2-[3-(2-hydroxy-5-nitro-3-propan-2-ylphenyl)-2-[(2-hydroxy-5-nitro-3-propan-2-ylphenyl)methyl]propyl]-4-nitro-6-propan-2-ylphenol .
user
C31H37N3O9
assistant