You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N'-(3,6-dimethyl-1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)ethane-1,2-diamine is given. What is its corresponding molecular formula?
user
C15H18N6
assistant