You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-[1-(3H-benzimidazol-5-yl)-3-(cyclohexanecarbonyl)-4-hydroxy-5-oxo-2H-pyrrol-2-yl]furan-2-carboxylic acid .
user
C23H21N3O6
assistant