You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2E)-2-[1-(aziridin-2-yl)butan-2-ylidene]-5-[4-fluoro-2-(6-methoxypyrazin-2-yl)phenyl]-3-iminocyclohexan-1-one .
user
C23H25FN4O2
assistant