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 benzene;3,3-dimethyl-2-benzofuran-1-one;ethane;1-methoxy-4-(4-methoxyphenyl)benzene;naphthalene;toluene;yttrium .
user
C63H80O4Y-2
assistant