You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5S)-1-(4-methoxyphenyl)-5-[(E)-1-[(4-methylpiperazin-1-yl)amino]prop-1-enyl]-1,3-diazinane-2,4,6-trione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25N5O4
assistant