You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-N-cycloheptyl-5,6-dimethyl-4-oxo-2-N-(3-phenylpropyl)-7H-pyrazolo[1,5-a]pyrazine-2,6-dicarboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H35N5O3
assistant