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 (E)-N-(3-acetylphenyl)-3-[3-(2,5-dimethoxyphenyl)-6-methoxy-7-methyl-1-benzofuran-5-yl]but-2-enamide .
user
C30H29NO6
assistant