You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-amino-1-cyclohexa-2,4-dien-1-yl-3-hydroxy-4-oxobutan-2-yl)carbamoyl]-3-(methylamino)prop-2-enimidoyl iodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H21IN4O3
assistant