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system
Provide the molecular formula for the IUPAC named substance 2-[4-[9,10-bis(naphtho[2,3-b][1]benzofuran-2-yl)anthracen-2-yl]phenyl]-1-phenylbenzimidazole;5-[9,10-bis(naphtho[1,2-b][1]benzofuran-8-yl)anthracen-2-yl]-2-pyridin-2-ylpyridine;2-(2-naphthalen-2-yl-10-naphtho[2,3-b][1]benzofuran-2-ylanthracen-9-yl)naphtho[2,3-b][1]benzofuran .
user
C177H102N4O6
assistant