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-[2-[(3,4-dimethoxyphenyl)methyl]benzimidazol-1-yl]-N-[(E)-(2-hydroxy-3-nitro-6,7,8,9-tetrahydrodibenzofuran-1-yl)methylideneamino]acetamide .
user
C31H29N5O7
assistant