You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
bis(2,3-dimethylphenyl)methanone;bis(3,4-dimethylphenyl)methanone;[4-(3,4-dimethylbenzoyl)phenyl]-(3,4-dimethylphenyl)methanone;[3-(3,4-dimethylbenzoyl)phenyl]-phenylmethanone;4-[4-(3,4-dimethylphenoxy)phenoxy]-1,2-dimethylbenzene;4-[4-[2-[4-(3,4-dimethylphenoxy)phenyl]propan-2-yl]phenoxy]-1,2-dimethylbenzene;4-[2-(3,4-dimethylphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-1,2-dimethylbenzene;4-[2-(3,4-dimethylphenyl)propan-2-yl]-1,2-dimethylbenzene;4-fluoro-1,2-dimethylbenzene;4-(fluoromethyl)-1,2-dimethylbenzene;2,3,5,6-tetramethylpyrazine;2,3,4,5-tetramethylthiophene is the IUPAC name of a molecule. Please give its molecular formula.
user
C204H216F8N2O10S
assistant