You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-9-methyl-3-[(2-methylimidazol-1-yl)methyl]-N-[(4-nitrophenyl)methoxy]-2,3-dihydro-1H-carbazol-4-imine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H25N5O3
assistant