You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-[6-(3-aminopropoxy)naphthalen-2-yl]-1-(3,5-diamino-6-chloropyrazin-2-yl)-3-iminooctan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H31ClN6O2
assistant