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',7'-bis(dimethylamino)-6-(2-methylpropanoyl)spiro[2-benzofuran-3,10'-9H-anthracene]-1-one;3-methyl-1-(4-methyl-2-nitroanilino)butan-2-one;5-methyl-N-[2-(4-methyl-3-oxopentoxy)ethyl]-1H-pyrazole-3-carboxamide;6-(6-methyl-5-oxoheptyl)-1,3,3a,4,6,6a-hexahydrothieno[3,4-b]pyrrol-2-one .
user
C68H90N8O11S
assistant