You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-cyano-N-[3-(5-cyanofuran-3-yl)-1H-indazol-5-yl]-3-methylpyridine-2-carboxamide into molecular formula.
user
C20H12N6O2
assistant