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 ethyl 4-[[(2Z)-2-[(4-tert-butylphenyl)methylidene]-6-hydroxy-4-methyl-3-oxo-1-benzofuran-7-yl]methyl]piperazine-1-carboxylate .
user
C28H34N2O5
assistant