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 1-[(1S,2S)-1-(1H-benzimidazol-2-yl)-2-methylbutyl]-3-[2-(3,4-dimethoxyphenyl)ethyl]urea .
user
C23H30N4O3
assistant