You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 5-N-(3-bromophenyl)-1-methyl-3-N-phenyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridine-3,5-dicarboxamide is given. What is its corresponding molecular formula?
user
C21H20BrN5O2
assistant