You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-amino-4-anthracen-9-yl-1-(dimethylamino)-5-oxo-4,6,7,8-tetrahydroquinoline-3-carbonitrile ?
user
C26H24N4O
assistant