You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [2-[2-(4,6-dicyano-6-isocyano-5-phenylhexa-1,3,5-trienyl)-1-benzofuran-3-yl]-2-isocyanoethenylidene]azanide ?
user
C26H12N5O-
assistant