You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[1-(5-methyl-3-nitropyrazol-1-yl)propyl]-10-phenyl-3,5,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H17N9O2
assistant