You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[cyano-[4-[cyano-(5,6-diisocyano-1H-imidazo[4,5-b]pyrazin-2-yl)methyl]-6-[(6-cyano-5-isocyano-3H-imidazo[4,5-b]pyrazin-2-yl)-isocyanomethyl]-1,3,5-triazin-2-yl]methyl]-1H-imidazo[4,5-b]pyrazine-5,6-dicarbonitrile .
user
C30H6N24
assistant