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 N,N-diethyl-2-[6-methyl-3-[(Z)-2-(2-methyl-4-nitroimidazol-1-yl)-3-oxobut-1-enyl]indol-1-yl]acetamide .
user
C23H27N5O4
assistant