You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(E)-2-(3,5-dimethoxyphenyl)ethenyl]-2-[(E)-1-(3,5-dimethoxyphenyl)-2-(4-methoxyphenyl)ethenyl]-3,5-dimethoxybenzene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C35H36O7
assistant