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-(2,3-dimethylimidazol-4-yl)-3-(1H-pyrrolo[3,2-c]pyridin-2-yl)-1H-pyrazolo[3,4-c]pyridine .
user
C18H15N7
assistant