You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-ethyl-N'-[1-[5-[(Z)-(5-fluoro-2-methylidene-1H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrol-3-yl]ethenyl]-N',2-dimethyl-N-propylpropane-1,3-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H39FN4
assistant